diff --git a/accounting/service.proto b/accounting/service.proto
index d1540c4..f381605 100644
--- a/accounting/service.proto
+++ b/accounting/service.proto
@@ -7,6 +7,7 @@ import "service/meta.proto";
 import "service/verify.proto";
 import "decimal/decimal.proto";
 import "accounting/types.proto";
+import "refs/types.proto";
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
 option (gogoproto.stable_marshaler_all) = true;
@@ -19,8 +20,8 @@ service Accounting {
 }
 
 message BalanceRequest {
-    // OwnerID is a wallet address
-    bytes OwnerID                            = 1 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
+    // OwnerID carries user identifier in NeoFS system.
+    refs.OwnerID OwnerID = 1;
     // RequestMetaHeader contains information about request meta headers (should be embedded into message)
     service.RequestMetaHeader Meta           = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
     // RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
diff --git a/container/service.proto b/container/service.proto
index 28fdd3b..5f01591 100644
--- a/container/service.proto
+++ b/container/service.proto
@@ -80,8 +80,8 @@ message GetResponse {
 }
 
 message ListRequest {
-    // OwnerID is a 25 byte NEO3.0 wallet address.
-    bytes OwnerID = 1;
+    // OwnerID carries identifier of the container owner.
+    refs.OwnerID OwnerID = 1;
 }
 
 message ListResponse {
diff --git a/container/types.proto b/container/types.proto
index 9eaf2c0..d3cc147 100644
--- a/container/types.proto
+++ b/container/types.proto
@@ -3,6 +3,7 @@ package container;
 option go_package = "github.com/nspcc-dev/neofs-api-go/container";
 option csharp_namespace = "NeoFS.API.Container";
 
+import "refs/types.proto";
 import "github.com/nspcc-dev/netmap/selector.proto";
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
@@ -13,8 +14,8 @@ option (gogoproto.stable_marshaler_all) = true;
 // and access control information. ID of the container is a 32 byte long
 // SHA256 hash of stable-marshalled container message.
 message Container {
-  // OwnerID is a 25 byte NEO3.0 wallet address.
-  bytes OwnerID                 = 1;
+  // OwnerID carries identifier of the container owner.
+  refs.OwnerID OwnerID = 1;
   // Nonce is a 16 byte UUID, used to avoid collisions of container id.
   bytes Nonce                   = 2;
   // BasicACL contains access control rules for owner, system, others groups and
diff --git a/object/service.proto b/object/service.proto
index 19b78a4..f1b94e6 100644
--- a/object/service.proto
+++ b/object/service.proto
@@ -105,8 +105,8 @@ message PutResponse {
 message DeleteRequest {
     // Address of object (container id + object id)
     refs.Address Address                     = 1 [(gogoproto.nullable) = false];
-    // OwnerID is a wallet address
-    bytes OwnerID                            = 2 [(gogoproto.nullable) = false, (gogoproto.customtype) = "OwnerID"];
+    // OwnerID carries identifier of the object owner.
+    refs.OwnerID OwnerID = 2;
     // RequestMetaHeader contains information about request meta headers (should be embedded into message)
     service.RequestMetaHeader Meta           = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
     // RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
diff --git a/object/types.proto b/object/types.proto
index 3bab3b1..8589355 100644
--- a/object/types.proto
+++ b/object/types.proto
@@ -19,8 +19,8 @@ message Header {
         // Address carries object address in the NeoFS system.
         // It encapsulates the object and the container identifiers.
         refs.Address Address = 2;
-        // OwnerID carries identifier the object owner in a binary format.
-        bytes OwnerID = 3;
+        // OwnerID carries identifier of the object owner.
+        refs.OwnerID OwnerID = 3;
     }
 
     // Main carries the main part of the header.
diff --git a/proto-docs/accounting.md b/proto-docs/accounting.md
index bcae136..ce7156b 100644
--- a/proto-docs/accounting.md
+++ b/proto-docs/accounting.md
@@ -86,7 +86,7 @@ Balance returns current balance status of the NeoFS user
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| OwnerID | [bytes](#bytes) |  | OwnerID is a wallet address |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries user identifier in NeoFS system. |
 | Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) |  | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
 | Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) |  | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
 
diff --git a/proto-docs/container.md b/proto-docs/container.md
index 03f9436..1fb70bd 100644
--- a/proto-docs/container.md
+++ b/proto-docs/container.md
@@ -185,7 +185,7 @@ via consensus in inner ring nodes
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| OwnerID | [bytes](#bytes) |  | OwnerID is a 25 byte NEO3.0 wallet address. |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries identifier of the container owner. |
 
 
 <a name="container.ListResponse"></a>
@@ -279,7 +279,7 @@ SHA256 hash of stable-marshalled container message.
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| OwnerID | [bytes](#bytes) |  | OwnerID is a 25 byte NEO3.0 wallet address. |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries identifier of the container owner. |
 | Nonce | [bytes](#bytes) |  | Nonce is a 16 byte UUID, used to avoid collisions of container id. |
 | BasicACL | [uint32](#uint32) |  | BasicACL contains access control rules for owner, system, others groups and permission bits for bearer token and Extended ACL. |
 | Attributes | [Attribute](#container.Attribute) | repeated | Attributes define any immutable characteristics of container. |
diff --git a/proto-docs/object.md b/proto-docs/object.md
index 03e60e2..9a84732 100644
--- a/proto-docs/object.md
+++ b/proto-docs/object.md
@@ -147,7 +147,7 @@ calculated for XORed data.
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
 | Address | [refs.Address](#refs.Address) |  | Address of object (container id + object id) |
-| OwnerID | [bytes](#bytes) |  | OwnerID is a wallet address |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries identifier of the object owner. |
 | Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) |  | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
 | Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) |  | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
 
@@ -458,7 +458,7 @@ Message fields are presented in all NeoFS objects.
 | ----- | ---- | ----- | ----------- |
 | PayloadLength | [uint64](#uint64) |  | PayloadLength carries length of the object payload. Each object has a fixed payload length since it's immutable. |
 | Address | [refs.Address](#refs.Address) |  | Address carries object address in the NeoFS system. It encapsulates the object and the container identifiers. |
-| OwnerID | [bytes](#bytes) |  | OwnerID carries identifier the object owner in a binary format. |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries identifier of the object owner. |
 
 
 <a name="object.Object"></a>
diff --git a/proto-docs/service.md b/proto-docs/service.md
index 756188b..72043c5 100644
--- a/proto-docs/service.md
+++ b/proto-docs/service.md
@@ -125,7 +125,7 @@ BearerTokenMsg carries information about request ACL rules with limited lifetime
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
 | ACLRules | [bytes](#bytes) |  | ACLRules carries a binary representation of the table of extended ACL rules |
-| OwnerID | [bytes](#bytes) |  | OwnerID is an owner of token |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries identifier of the token owner. |
 | ValidUntil | [uint64](#uint64) |  | ValidUntil carries a last epoch of token lifetime |
 
 
@@ -176,7 +176,7 @@ User token granting rights for object manipulation
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
 | ID | [bytes](#bytes) |  | ID is a token identifier. valid UUIDv4 represented in bytes |
-| OwnerID | [bytes](#bytes) |  | OwnerID is an owner of manipulation object |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries identifier of the manipulation object owner. |
 | verb | [Token.Info.Verb](#service.Token.Info.Verb) |  | Verb is a type of request for which the token is issued |
 | Address | [refs.Address](#refs.Address) |  | Address is an object address for which token is issued |
 | Lifetime | [TokenLifetime](#service.TokenLifetime) |  | Lifetime is a lifetime of the session |
diff --git a/proto-docs/session.md b/proto-docs/session.md
index 5ec7402..8ce09a0 100644
--- a/proto-docs/session.md
+++ b/proto-docs/session.md
@@ -52,7 +52,7 @@ CreateRequest carries an information necessary for opening a session
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| OwnerID | [bytes](#bytes) |  | OwnerID carries an identifier of a session initiator |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries an identifier of a session initiator. |
 | Lifetime | [service.TokenLifetime](#service.TokenLifetime) |  | Lifetime carries a lifetime of the session |
 | Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) |  | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
 | Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) |  | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
diff --git a/service/verify.proto b/service/verify.proto
index a7e694f..5206a33 100644
--- a/service/verify.proto
+++ b/service/verify.proto
@@ -34,8 +34,8 @@ message Token {
         // ID is a token identifier. valid UUIDv4 represented in bytes
         bytes ID = 1 [(gogoproto.customtype) = "TokenID", (gogoproto.nullable) = false];
 
-        // OwnerID is an owner of manipulation object
-        bytes OwnerID = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
+        // OwnerID carries identifier of the manipulation object owner.
+        refs.OwnerID OwnerID = 2;
 
         // Verb is an enumeration of session request types
         enum Verb {
@@ -101,8 +101,8 @@ message BearerTokenMsg {
         // ACLRules carries a binary representation of the table of extended ACL rules
         bytes ACLRules = 1;
 
-        // OwnerID is an owner of token
-        bytes OwnerID = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
+        // OwnerID carries identifier of the token owner.
+        refs.OwnerID OwnerID = 2;
 
         // ValidUntil carries a last epoch of token lifetime
         uint64 ValidUntil = 3;
diff --git a/session/service.proto b/session/service.proto
index b7eb0df..2f50f37 100644
--- a/session/service.proto
+++ b/session/service.proto
@@ -5,6 +5,7 @@ option csharp_namespace = "NeoFS.API.Session";
 
 import "service/meta.proto";
 import "service/verify.proto";
+import "refs/types.proto";
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
 option (gogoproto.stable_marshaler_all) = true;
@@ -17,8 +18,8 @@ service Session {
 
 // CreateRequest carries an information necessary for opening a session
 message CreateRequest {
-    // OwnerID carries an identifier of a session initiator
-    bytes OwnerID = 1 [(gogoproto.nullable) = false, (gogoproto.customtype) = "OwnerID"];
+    // OwnerID carries an identifier of a session initiator.
+    refs.OwnerID OwnerID = 1;
 
     // Lifetime carries a lifetime of the session
     service.TokenLifetime Lifetime = 2 [(gogoproto.embed) = true, (gogoproto.nullable) = false];