diff --git a/api/object/convert.go b/api/object/convert.go
index 016a367a..90e40dc3 100644
--- a/api/object/convert.go
+++ b/api/object/convert.go
@@ -2389,6 +2389,7 @@ func (r *PatchRequestBody) ToGRPCMessage() grpc.Message {
 		m.SetNewAttributes(AttributesToGRPC(r.newAttributes))
 		m.SetReplaceAttributes(r.replaceAttributes)
 		m.SetPatch(r.patch.ToGRPCMessage().(*object.PatchRequest_Body_Patch))
+		m.SetNewSplitHeader(r.newSplitHeader.ToGRPCMessage().(*object.Header_Split))
 	}
 
 	return m
@@ -2437,6 +2438,20 @@ func (r *PatchRequestBody) FromGRPCMessage(m grpc.Message) error {
 		}
 	}
 
+	newSplitHeader := v.GetNewSplitHeader()
+	if newSplitHeader == nil {
+		r.newSplitHeader = nil
+	} else {
+		if r.newSplitHeader == nil {
+			r.newSplitHeader = new(SplitHeader)
+		}
+
+		err = r.newSplitHeader.FromGRPCMessage(newSplitHeader)
+		if err != nil {
+			return err
+		}
+	}
+
 	return nil
 }
 
diff --git a/api/object/grpc/service.pb.go b/api/object/grpc/service.pb.go
index 96034670..8926f5cb 100644
--- a/api/object/grpc/service.pb.go
+++ b/api/object/grpc/service.pb.go
@@ -5181,6 +5181,9 @@ type PatchRequest_Body struct {
 	// merged. If the incoming `new_attributes` list contains already existing
 	// key, then it just replaces it while merging the lists.
 	ReplaceAttributes *bool `protobuf:"varint,3,opt,name=replace_attributes,json=replaceAttributes" json:"replace_attributes,omitempty"`
+	// New split header for the object. This defines how the object will relate
+	// to other objects in a split operation.
+	NewSplitHeader *Header_Split `protobuf:"bytes,5,opt,name=new_split_header,json=newSplitHeader" json:"new_split_header,omitempty"`
 	// The patch that is applied for the object.
 	Patch         *PatchRequest_Body_Patch `protobuf:"bytes,4,opt,name=patch" json:"patch,omitempty"`
 	unknownFields protoimpl.UnknownFields
@@ -5233,6 +5236,13 @@ func (x *PatchRequest_Body) GetReplaceAttributes() bool {
 	return false
 }
 
+func (x *PatchRequest_Body) GetNewSplitHeader() *Header_Split {
+	if x != nil {
+		return x.NewSplitHeader
+	}
+	return nil
+}
+
 func (x *PatchRequest_Body) GetPatch() *PatchRequest_Body_Patch {
 	if x != nil {
 		return x.Patch
@@ -5252,6 +5262,10 @@ func (x *PatchRequest_Body) SetReplaceAttributes(v bool) {
 	x.ReplaceAttributes = &v
 }
 
+func (x *PatchRequest_Body) SetNewSplitHeader(v *Header_Split) {
+	x.NewSplitHeader = v
+}
+
 func (x *PatchRequest_Body) SetPatch(v *PatchRequest_Body_Patch) {
 	x.Patch = v
 }
@@ -5270,6 +5284,13 @@ func (x *PatchRequest_Body) HasReplaceAttributes() bool {
 	return x.ReplaceAttributes != nil
 }
 
+func (x *PatchRequest_Body) HasNewSplitHeader() bool {
+	if x == nil {
+		return false
+	}
+	return x.NewSplitHeader != nil
+}
+
 func (x *PatchRequest_Body) HasPatch() bool {
 	if x == nil {
 		return false
@@ -5285,6 +5306,10 @@ func (x *PatchRequest_Body) ClearReplaceAttributes() {
 	x.ReplaceAttributes = nil
 }
 
+func (x *PatchRequest_Body) ClearNewSplitHeader() {
+	x.NewSplitHeader = nil
+}
+
 func (x *PatchRequest_Body) ClearPatch() {
 	x.Patch = nil
 }
@@ -5305,6 +5330,9 @@ type PatchRequest_Body_builder struct {
 	// merged. If the incoming `new_attributes` list contains already existing
 	// key, then it just replaces it while merging the lists.
 	ReplaceAttributes *bool
+	// New split header for the object. This defines how the object will relate
+	// to other objects in a split operation.
+	NewSplitHeader *Header_Split
 	// The patch that is applied for the object.
 	Patch *PatchRequest_Body_Patch
 }
@@ -5316,6 +5344,7 @@ func (b0 PatchRequest_Body_builder) Build() *PatchRequest_Body {
 	x.Address = b.Address
 	x.NewAttributes = b.NewAttributes
 	x.ReplaceAttributes = b.ReplaceAttributes
+	x.NewSplitHeader = b.NewSplitHeader
 	x.Patch = b.Patch
 	return m0
 }
@@ -5902,7 +5931,7 @@ var file_api_object_grpc_service_proto_rawDesc = []byte{
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@@ -5916,7 +5945,7 @@ var file_api_object_grpc_service_proto_rawDesc = []byte{
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@@ -5928,87 +5957,92 @@ var file_api_object_grpc_service_proto_rawDesc = []byte{
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 }
 
 var file_api_object_grpc_service_proto_msgTypes = make([]protoimpl.MessageInfo, 42)
@@ -6071,6 +6105,7 @@ var file_api_object_grpc_service_proto_goTypes = []any{
 	(grpc1.ChecksumType)(0),                 // 55: neo.fs.v2.refs.ChecksumType
 	(*Object)(nil),                          // 56: neo.fs.v2.object.Object
 	(*Header_Attribute)(nil),                // 57: neo.fs.v2.object.Header.Attribute
+	(*Header_Split)(nil),                    // 58: neo.fs.v2.object.Header.Split
 }
 var file_api_object_grpc_service_proto_depIdxs = []int32{
 	20,  // 0: neo.fs.v2.object.GetRequest.body:type_name -> neo.fs.v2.object.GetRequest.Body
@@ -6163,32 +6198,33 @@ var file_api_object_grpc_service_proto_depIdxs = []int32{
 	56,  // 87: neo.fs.v2.object.PutSingleRequest.Body.object:type_name -> neo.fs.v2.object.Object
 	48,  // 88: neo.fs.v2.object.PatchRequest.Body.address:type_name -> neo.fs.v2.refs.Address
 	57,  // 89: neo.fs.v2.object.PatchRequest.Body.new_attributes:type_name -> neo.fs.v2.object.Header.Attribute
-	40,  // 90: neo.fs.v2.object.PatchRequest.Body.patch:type_name -> neo.fs.v2.object.PatchRequest.Body.Patch
-	11,  // 91: neo.fs.v2.object.PatchRequest.Body.Patch.source_range:type_name -> neo.fs.v2.object.Range
-	51,  // 92: neo.fs.v2.object.PatchResponse.Body.object_id:type_name -> neo.fs.v2.refs.ObjectID
-	0,   // 93: neo.fs.v2.object.ObjectService.Get:input_type -> neo.fs.v2.object.GetRequest
-	2,   // 94: neo.fs.v2.object.ObjectService.Put:input_type -> neo.fs.v2.object.PutRequest
-	4,   // 95: neo.fs.v2.object.ObjectService.Delete:input_type -> neo.fs.v2.object.DeleteRequest
-	6,   // 96: neo.fs.v2.object.ObjectService.Head:input_type -> neo.fs.v2.object.HeadRequest
-	9,   // 97: neo.fs.v2.object.ObjectService.Search:input_type -> neo.fs.v2.object.SearchRequest
-	12,  // 98: neo.fs.v2.object.ObjectService.GetRange:input_type -> neo.fs.v2.object.GetRangeRequest
-	14,  // 99: neo.fs.v2.object.ObjectService.GetRangeHash:input_type -> neo.fs.v2.object.GetRangeHashRequest
-	16,  // 100: neo.fs.v2.object.ObjectService.PutSingle:input_type -> neo.fs.v2.object.PutSingleRequest
-	18,  // 101: neo.fs.v2.object.ObjectService.Patch:input_type -> neo.fs.v2.object.PatchRequest
-	1,   // 102: neo.fs.v2.object.ObjectService.Get:output_type -> neo.fs.v2.object.GetResponse
-	3,   // 103: neo.fs.v2.object.ObjectService.Put:output_type -> neo.fs.v2.object.PutResponse
-	5,   // 104: neo.fs.v2.object.ObjectService.Delete:output_type -> neo.fs.v2.object.DeleteResponse
-	8,   // 105: neo.fs.v2.object.ObjectService.Head:output_type -> neo.fs.v2.object.HeadResponse
-	10,  // 106: neo.fs.v2.object.ObjectService.Search:output_type -> neo.fs.v2.object.SearchResponse
-	13,  // 107: neo.fs.v2.object.ObjectService.GetRange:output_type -> neo.fs.v2.object.GetRangeResponse
-	15,  // 108: neo.fs.v2.object.ObjectService.GetRangeHash:output_type -> neo.fs.v2.object.GetRangeHashResponse
-	17,  // 109: neo.fs.v2.object.ObjectService.PutSingle:output_type -> neo.fs.v2.object.PutSingleResponse
-	19,  // 110: neo.fs.v2.object.ObjectService.Patch:output_type -> neo.fs.v2.object.PatchResponse
-	102, // [102:111] is the sub-list for method output_type
-	93,  // [93:102] is the sub-list for method input_type
-	93,  // [93:93] is the sub-list for extension type_name
-	93,  // [93:93] is the sub-list for extension extendee
-	0,   // [0:93] is the sub-list for field type_name
+	58,  // 90: neo.fs.v2.object.PatchRequest.Body.new_split_header:type_name -> neo.fs.v2.object.Header.Split
+	40,  // 91: neo.fs.v2.object.PatchRequest.Body.patch:type_name -> neo.fs.v2.object.PatchRequest.Body.Patch
+	11,  // 92: neo.fs.v2.object.PatchRequest.Body.Patch.source_range:type_name -> neo.fs.v2.object.Range
+	51,  // 93: neo.fs.v2.object.PatchResponse.Body.object_id:type_name -> neo.fs.v2.refs.ObjectID
+	0,   // 94: neo.fs.v2.object.ObjectService.Get:input_type -> neo.fs.v2.object.GetRequest
+	2,   // 95: neo.fs.v2.object.ObjectService.Put:input_type -> neo.fs.v2.object.PutRequest
+	4,   // 96: neo.fs.v2.object.ObjectService.Delete:input_type -> neo.fs.v2.object.DeleteRequest
+	6,   // 97: neo.fs.v2.object.ObjectService.Head:input_type -> neo.fs.v2.object.HeadRequest
+	9,   // 98: neo.fs.v2.object.ObjectService.Search:input_type -> neo.fs.v2.object.SearchRequest
+	12,  // 99: neo.fs.v2.object.ObjectService.GetRange:input_type -> neo.fs.v2.object.GetRangeRequest
+	14,  // 100: neo.fs.v2.object.ObjectService.GetRangeHash:input_type -> neo.fs.v2.object.GetRangeHashRequest
+	16,  // 101: neo.fs.v2.object.ObjectService.PutSingle:input_type -> neo.fs.v2.object.PutSingleRequest
+	18,  // 102: neo.fs.v2.object.ObjectService.Patch:input_type -> neo.fs.v2.object.PatchRequest
+	1,   // 103: neo.fs.v2.object.ObjectService.Get:output_type -> neo.fs.v2.object.GetResponse
+	3,   // 104: neo.fs.v2.object.ObjectService.Put:output_type -> neo.fs.v2.object.PutResponse
+	5,   // 105: neo.fs.v2.object.ObjectService.Delete:output_type -> neo.fs.v2.object.DeleteResponse
+	8,   // 106: neo.fs.v2.object.ObjectService.Head:output_type -> neo.fs.v2.object.HeadResponse
+	10,  // 107: neo.fs.v2.object.ObjectService.Search:output_type -> neo.fs.v2.object.SearchResponse
+	13,  // 108: neo.fs.v2.object.ObjectService.GetRange:output_type -> neo.fs.v2.object.GetRangeResponse
+	15,  // 109: neo.fs.v2.object.ObjectService.GetRangeHash:output_type -> neo.fs.v2.object.GetRangeHashResponse
+	17,  // 110: neo.fs.v2.object.ObjectService.PutSingle:output_type -> neo.fs.v2.object.PutSingleResponse
+	19,  // 111: neo.fs.v2.object.ObjectService.Patch:output_type -> neo.fs.v2.object.PatchResponse
+	103, // [103:112] is the sub-list for method output_type
+	94,  // [94:103] is the sub-list for method input_type
+	94,  // [94:94] is the sub-list for extension type_name
+	94,  // [94:94] is the sub-list for extension extendee
+	0,   // [0:94] is the sub-list for field type_name
 }
 
 func init() { file_api_object_grpc_service_proto_init() }
diff --git a/api/object/grpc/service_protoopaque.pb.go b/api/object/grpc/service_protoopaque.pb.go
index 3a389a18..8c74ef04 100644
--- a/api/object/grpc/service_protoopaque.pb.go
+++ b/api/object/grpc/service_protoopaque.pb.go
@@ -5050,6 +5050,7 @@ type PatchRequest_Body struct {
 	xxx_hidden_Address           *grpc1.Address           `protobuf:"bytes,1,opt,name=address" json:"address,omitempty"`
 	xxx_hidden_NewAttributes     *[]*Header_Attribute     `protobuf:"bytes,2,rep,name=new_attributes,json=newAttributes" json:"new_attributes,omitempty"`
 	xxx_hidden_ReplaceAttributes bool                     `protobuf:"varint,3,opt,name=replace_attributes,json=replaceAttributes" json:"replace_attributes,omitempty"`
+	xxx_hidden_NewSplitHeader    *Header_Split            `protobuf:"bytes,5,opt,name=new_split_header,json=newSplitHeader" json:"new_split_header,omitempty"`
 	xxx_hidden_Patch             *PatchRequest_Body_Patch `protobuf:"bytes,4,opt,name=patch" json:"patch,omitempty"`
 	XXX_raceDetectHookData       protoimpl.RaceDetectHookData
 	XXX_presence                 [1]uint32
@@ -5105,6 +5106,13 @@ func (x *PatchRequest_Body) GetReplaceAttributes() bool {
 	return false
 }
 
+func (x *PatchRequest_Body) GetNewSplitHeader() *Header_Split {
+	if x != nil {
+		return x.xxx_hidden_NewSplitHeader
+	}
+	return nil
+}
+
 func (x *PatchRequest_Body) GetPatch() *PatchRequest_Body_Patch {
 	if x != nil {
 		return x.xxx_hidden_Patch
@@ -5122,7 +5130,11 @@ func (x *PatchRequest_Body) SetNewAttributes(v []*Header_Attribute) {
 
 func (x *PatchRequest_Body) SetReplaceAttributes(v bool) {
 	x.xxx_hidden_ReplaceAttributes = v
-	protoimpl.X.SetPresent(&(x.XXX_presence[0]), 2, 4)
+	protoimpl.X.SetPresent(&(x.XXX_presence[0]), 2, 5)
+}
+
+func (x *PatchRequest_Body) SetNewSplitHeader(v *Header_Split) {
+	x.xxx_hidden_NewSplitHeader = v
 }
 
 func (x *PatchRequest_Body) SetPatch(v *PatchRequest_Body_Patch) {
@@ -5143,6 +5155,13 @@ func (x *PatchRequest_Body) HasReplaceAttributes() bool {
 	return protoimpl.X.Present(&(x.XXX_presence[0]), 2)
 }
 
+func (x *PatchRequest_Body) HasNewSplitHeader() bool {
+	if x == nil {
+		return false
+	}
+	return x.xxx_hidden_NewSplitHeader != nil
+}
+
 func (x *PatchRequest_Body) HasPatch() bool {
 	if x == nil {
 		return false
@@ -5159,6 +5178,10 @@ func (x *PatchRequest_Body) ClearReplaceAttributes() {
 	x.xxx_hidden_ReplaceAttributes = false
 }
 
+func (x *PatchRequest_Body) ClearNewSplitHeader() {
+	x.xxx_hidden_NewSplitHeader = nil
+}
+
 func (x *PatchRequest_Body) ClearPatch() {
 	x.xxx_hidden_Patch = nil
 }
@@ -5179,6 +5202,9 @@ type PatchRequest_Body_builder struct {
 	// merged. If the incoming `new_attributes` list contains already existing
 	// key, then it just replaces it while merging the lists.
 	ReplaceAttributes *bool
+	// New split header for the object. This defines how the object will relate
+	// to other objects in a split operation.
+	NewSplitHeader *Header_Split
 	// The patch that is applied for the object.
 	Patch *PatchRequest_Body_Patch
 }
@@ -5190,9 +5216,10 @@ func (b0 PatchRequest_Body_builder) Build() *PatchRequest_Body {
 	x.xxx_hidden_Address = b.Address
 	x.xxx_hidden_NewAttributes = &b.NewAttributes
 	if b.ReplaceAttributes != nil {
-		protoimpl.X.SetPresentNonAtomic(&(x.XXX_presence[0]), 2, 4)
+		protoimpl.X.SetPresentNonAtomic(&(x.XXX_presence[0]), 2, 5)
 		x.xxx_hidden_ReplaceAttributes = *b.ReplaceAttributes
 	}
+	x.xxx_hidden_NewSplitHeader = b.NewSplitHeader
 	x.xxx_hidden_Patch = b.Patch
 	return m0
 }
@@ -5779,7 +5806,7 @@ var file_api_object_grpc_service_proto_rawDesc = []byte{
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@@ -5793,7 +5820,7 @@ var file_api_object_grpc_service_proto_rawDesc = []byte{
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@@ -5805,87 +5832,92 @@ var file_api_object_grpc_service_proto_rawDesc = []byte{
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 }
 
 var file_api_object_grpc_service_proto_msgTypes = make([]protoimpl.MessageInfo, 42)
@@ -5948,6 +5980,7 @@ var file_api_object_grpc_service_proto_goTypes = []any{
 	(grpc1.ChecksumType)(0),                 // 55: neo.fs.v2.refs.ChecksumType
 	(*Object)(nil),                          // 56: neo.fs.v2.object.Object
 	(*Header_Attribute)(nil),                // 57: neo.fs.v2.object.Header.Attribute
+	(*Header_Split)(nil),                    // 58: neo.fs.v2.object.Header.Split
 }
 var file_api_object_grpc_service_proto_depIdxs = []int32{
 	20,  // 0: neo.fs.v2.object.GetRequest.body:type_name -> neo.fs.v2.object.GetRequest.Body
@@ -6040,32 +6073,33 @@ var file_api_object_grpc_service_proto_depIdxs = []int32{
 	56,  // 87: neo.fs.v2.object.PutSingleRequest.Body.object:type_name -> neo.fs.v2.object.Object
 	48,  // 88: neo.fs.v2.object.PatchRequest.Body.address:type_name -> neo.fs.v2.refs.Address
 	57,  // 89: neo.fs.v2.object.PatchRequest.Body.new_attributes:type_name -> neo.fs.v2.object.Header.Attribute
-	40,  // 90: neo.fs.v2.object.PatchRequest.Body.patch:type_name -> neo.fs.v2.object.PatchRequest.Body.Patch
-	11,  // 91: neo.fs.v2.object.PatchRequest.Body.Patch.source_range:type_name -> neo.fs.v2.object.Range
-	51,  // 92: neo.fs.v2.object.PatchResponse.Body.object_id:type_name -> neo.fs.v2.refs.ObjectID
-	0,   // 93: neo.fs.v2.object.ObjectService.Get:input_type -> neo.fs.v2.object.GetRequest
-	2,   // 94: neo.fs.v2.object.ObjectService.Put:input_type -> neo.fs.v2.object.PutRequest
-	4,   // 95: neo.fs.v2.object.ObjectService.Delete:input_type -> neo.fs.v2.object.DeleteRequest
-	6,   // 96: neo.fs.v2.object.ObjectService.Head:input_type -> neo.fs.v2.object.HeadRequest
-	9,   // 97: neo.fs.v2.object.ObjectService.Search:input_type -> neo.fs.v2.object.SearchRequest
-	12,  // 98: neo.fs.v2.object.ObjectService.GetRange:input_type -> neo.fs.v2.object.GetRangeRequest
-	14,  // 99: neo.fs.v2.object.ObjectService.GetRangeHash:input_type -> neo.fs.v2.object.GetRangeHashRequest
-	16,  // 100: neo.fs.v2.object.ObjectService.PutSingle:input_type -> neo.fs.v2.object.PutSingleRequest
-	18,  // 101: neo.fs.v2.object.ObjectService.Patch:input_type -> neo.fs.v2.object.PatchRequest
-	1,   // 102: neo.fs.v2.object.ObjectService.Get:output_type -> neo.fs.v2.object.GetResponse
-	3,   // 103: neo.fs.v2.object.ObjectService.Put:output_type -> neo.fs.v2.object.PutResponse
-	5,   // 104: neo.fs.v2.object.ObjectService.Delete:output_type -> neo.fs.v2.object.DeleteResponse
-	8,   // 105: neo.fs.v2.object.ObjectService.Head:output_type -> neo.fs.v2.object.HeadResponse
-	10,  // 106: neo.fs.v2.object.ObjectService.Search:output_type -> neo.fs.v2.object.SearchResponse
-	13,  // 107: neo.fs.v2.object.ObjectService.GetRange:output_type -> neo.fs.v2.object.GetRangeResponse
-	15,  // 108: neo.fs.v2.object.ObjectService.GetRangeHash:output_type -> neo.fs.v2.object.GetRangeHashResponse
-	17,  // 109: neo.fs.v2.object.ObjectService.PutSingle:output_type -> neo.fs.v2.object.PutSingleResponse
-	19,  // 110: neo.fs.v2.object.ObjectService.Patch:output_type -> neo.fs.v2.object.PatchResponse
-	102, // [102:111] is the sub-list for method output_type
-	93,  // [93:102] is the sub-list for method input_type
-	93,  // [93:93] is the sub-list for extension type_name
-	93,  // [93:93] is the sub-list for extension extendee
-	0,   // [0:93] is the sub-list for field type_name
+	58,  // 90: neo.fs.v2.object.PatchRequest.Body.new_split_header:type_name -> neo.fs.v2.object.Header.Split
+	40,  // 91: neo.fs.v2.object.PatchRequest.Body.patch:type_name -> neo.fs.v2.object.PatchRequest.Body.Patch
+	11,  // 92: neo.fs.v2.object.PatchRequest.Body.Patch.source_range:type_name -> neo.fs.v2.object.Range
+	51,  // 93: neo.fs.v2.object.PatchResponse.Body.object_id:type_name -> neo.fs.v2.refs.ObjectID
+	0,   // 94: neo.fs.v2.object.ObjectService.Get:input_type -> neo.fs.v2.object.GetRequest
+	2,   // 95: neo.fs.v2.object.ObjectService.Put:input_type -> neo.fs.v2.object.PutRequest
+	4,   // 96: neo.fs.v2.object.ObjectService.Delete:input_type -> neo.fs.v2.object.DeleteRequest
+	6,   // 97: neo.fs.v2.object.ObjectService.Head:input_type -> neo.fs.v2.object.HeadRequest
+	9,   // 98: neo.fs.v2.object.ObjectService.Search:input_type -> neo.fs.v2.object.SearchRequest
+	12,  // 99: neo.fs.v2.object.ObjectService.GetRange:input_type -> neo.fs.v2.object.GetRangeRequest
+	14,  // 100: neo.fs.v2.object.ObjectService.GetRangeHash:input_type -> neo.fs.v2.object.GetRangeHashRequest
+	16,  // 101: neo.fs.v2.object.ObjectService.PutSingle:input_type -> neo.fs.v2.object.PutSingleRequest
+	18,  // 102: neo.fs.v2.object.ObjectService.Patch:input_type -> neo.fs.v2.object.PatchRequest
+	1,   // 103: neo.fs.v2.object.ObjectService.Get:output_type -> neo.fs.v2.object.GetResponse
+	3,   // 104: neo.fs.v2.object.ObjectService.Put:output_type -> neo.fs.v2.object.PutResponse
+	5,   // 105: neo.fs.v2.object.ObjectService.Delete:output_type -> neo.fs.v2.object.DeleteResponse
+	8,   // 106: neo.fs.v2.object.ObjectService.Head:output_type -> neo.fs.v2.object.HeadResponse
+	10,  // 107: neo.fs.v2.object.ObjectService.Search:output_type -> neo.fs.v2.object.SearchResponse
+	13,  // 108: neo.fs.v2.object.ObjectService.GetRange:output_type -> neo.fs.v2.object.GetRangeResponse
+	15,  // 109: neo.fs.v2.object.ObjectService.GetRangeHash:output_type -> neo.fs.v2.object.GetRangeHashResponse
+	17,  // 110: neo.fs.v2.object.ObjectService.PutSingle:output_type -> neo.fs.v2.object.PutSingleResponse
+	19,  // 111: neo.fs.v2.object.ObjectService.Patch:output_type -> neo.fs.v2.object.PatchResponse
+	103, // [103:112] is the sub-list for method output_type
+	94,  // [94:103] is the sub-list for method input_type
+	94,  // [94:94] is the sub-list for extension type_name
+	94,  // [94:94] is the sub-list for extension extendee
+	0,   // [0:94] is the sub-list for field type_name
 }
 
 func init() { file_api_object_grpc_service_proto_init() }
diff --git a/api/object/marshal.go b/api/object/marshal.go
index 82e265b9..2ed888cb 100644
--- a/api/object/marshal.go
+++ b/api/object/marshal.go
@@ -136,10 +136,11 @@ const (
 	patchRequestBodyPatchRangeField = 1
 	patchRequestBodyPatchChunkField = 2
 
-	patchRequestBodyAddrField        = 1
-	patchRequestBodyNewAttrsField    = 2
-	patchRequestBodyReplaceAttrField = 3
-	patchRequestBodyPatchField       = 4
+	patchRequestBodyAddrField           = 1
+	patchRequestBodyNewAttrsField       = 2
+	patchRequestBodyReplaceAttrField    = 3
+	patchRequestBodyPatchField          = 4
+	patchRequestBodyNewSplitHeaderField = 5
 
 	patchResponseBodyObjectIDField = 1
 )
@@ -1372,7 +1373,8 @@ func (r *PatchRequestBody) StableMarshal(buf []byte) []byte {
 		offset += proto.NestedStructureMarshal(patchRequestBodyNewAttrsField, buf[offset:], &r.newAttributes[i])
 	}
 	offset += proto.BoolMarshal(patchRequestBodyReplaceAttrField, buf[offset:], r.replaceAttributes)
-	proto.NestedStructureMarshal(patchRequestBodyPatchField, buf[offset:], r.patch)
+	offset += proto.NestedStructureMarshal(patchRequestBodyPatchField, buf[offset:], r.patch)
+	proto.NestedStructureMarshal(patchRequestBodyNewSplitHeaderField, buf[offset:], r.newSplitHeader)
 
 	return buf
 }
@@ -1389,6 +1391,7 @@ func (r *PatchRequestBody) StableSize() int {
 	}
 	size += proto.BoolSize(patchRequestBodyReplaceAttrField, r.replaceAttributes)
 	size += proto.NestedStructureSize(patchRequestBodyPatchField, r.patch)
+	size += proto.NestedStructureSize(patchRequestBodyNewSplitHeaderField, r.newSplitHeader)
 
 	return size
 }
diff --git a/api/object/types.go b/api/object/types.go
index 537fb029..57a93cee 100644
--- a/api/object/types.go
+++ b/api/object/types.go
@@ -360,6 +360,8 @@ type PatchRequestBody struct {
 
 	newAttributes []Attribute
 
+	newSplitHeader *SplitHeader
+
 	replaceAttributes bool
 
 	patch *PatchRequestBodyPatch
@@ -1591,6 +1593,14 @@ func (r *PatchRequestBody) SetReplaceAttributes(replace bool) {
 	r.replaceAttributes = replace
 }
 
+func (r *PatchRequestBody) SetNewSplitHeader(newSplitHeader *SplitHeader) {
+	r.newSplitHeader = newSplitHeader
+}
+
+func (r *PatchRequestBody) GetNewSplitHeader() *SplitHeader {
+	return r.newSplitHeader
+}
+
 func (r *PatchRequestBody) GetPatch() *PatchRequestBodyPatch {
 	if r != nil {
 		return r.patch