diff --git a/pkg/innerring/processors/audit/processor.go b/pkg/innerring/processors/audit/processor.go
index f2491abe7..cdcad0636 100644
--- a/pkg/innerring/processors/audit/processor.go
+++ b/pkg/innerring/processors/audit/processor.go
@@ -13,7 +13,9 @@ import (
 	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
 	"github.com/nspcc-dev/neofs-node/pkg/services/audit"
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
+	"github.com/nspcc-dev/neofs-sdk-go/netmap"
 	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
+	storagegroupSDK "github.com/nspcc-dev/neofs-sdk-go/storagegroup"
 	"github.com/panjf2000/ants/v2"
 	"go.uber.org/zap"
 )
@@ -97,12 +99,27 @@ func (x *SearchSGDst) WriteIDList(ids []oid.ID) {
 	x.ids = ids
 }
 
+// GetSGPrm groups parameter of GetSG operation.
+type GetSGPrm struct {
+	Context context.Context
+
+	OID oid.ID
+	CID cid.ID
+
+	NetMap    netmap.NetMap
+	Container [][]netmap.NodeInfo
+}
+
 // SGSource is a storage group information source interface.
 type SGSource interface {
-	// Lists storage group objects in the container. Formed list must be written to destination.
+	// ListSG must list storage group objects in the container. Formed list must be written to destination.
 	//
 	// Must return any error encountered which did not allow to form the list.
 	ListSG(*SearchSGDst, SearchSGPrm) error
+
+	// GetSG must return storage group object for the provided CID, OID,
+	// container and netmap state.
+	GetSG(GetSGPrm) (*storagegroupSDK.StorageGroup, error)
 }
 
 type epochAuditReporter struct {
diff --git a/pkg/innerring/rpc.go b/pkg/innerring/rpc.go
index 92bc9ae73..bc7928154 100644
--- a/pkg/innerring/rpc.go
+++ b/pkg/innerring/rpc.go
@@ -62,12 +62,12 @@ func (c *ClientCache) Get(info clientcore.NodeInfo) (clientcore.Client, error) {
 // Returns storage groups structure from received object.
 //
 // Returns an error of type apistatus.ObjectNotFound if storage group is missing.
-func (c *ClientCache) GetSG(prm auditor.GetSGPrm) (*storagegroup.StorageGroup, error) {
+func (c *ClientCache) GetSG(prm auditproc.GetSGPrm) (*storagegroup.StorageGroup, error) {
 	var sgAddress oid.Address
 	sgAddress.SetContainer(prm.CID)
 	sgAddress.SetObject(prm.OID)
 
-	return c.getSG(prm.Context, sgAddress, prm.NetMap, prm.Container)
+	return c.getSG(prm.Context, sgAddress, &prm.NetMap, prm.Container)
 }
 
 func (c *ClientCache) getSG(ctx context.Context, addr oid.Address, nm *netmap.NetMap, cn [][]netmap.NodeInfo) (*storagegroup.StorageGroup, error) {
diff --git a/pkg/services/audit/auditor/context.go b/pkg/services/audit/auditor/context.go
index 87c545214..0028644ee 100644
--- a/pkg/services/audit/auditor/context.go
+++ b/pkg/services/audit/auditor/context.go
@@ -13,7 +13,6 @@ import (
 	"github.com/nspcc-dev/neofs-sdk-go/netmap"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
 	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
-	"github.com/nspcc-dev/neofs-sdk-go/storagegroup"
 	"go.uber.org/atomic"
 	"go.uber.org/zap"
 )
@@ -85,24 +84,16 @@ type ContextPrm struct {
 type commonCommunicatorPrm struct {
 	Context context.Context
 
+	Node netmap.NodeInfo
+
 	OID oid.ID
 	CID cid.ID
 }
 
-// GetSGPrm groups parameter of GetSG operation.
-type GetSGPrm struct {
-	commonCommunicatorPrm
-
-	NetMap    *netmap.NetMap
-	Container [][]netmap.NodeInfo
-}
-
 // GetHeaderPrm groups parameter of GetHeader operation.
 type GetHeaderPrm struct {
 	commonCommunicatorPrm
 
-	Node netmap.NodeInfo
-
 	NodeIsRelay bool
 }
 
@@ -110,16 +101,12 @@ type GetHeaderPrm struct {
 type GetRangeHashPrm struct {
 	commonCommunicatorPrm
 
-	Node  netmap.NodeInfo
 	Range *object.Range
 }
 
 // ContainerCommunicator is an interface of
 // component of communication with container nodes.
 type ContainerCommunicator interface {
-	// GetSG must return storage group structure stored in object from container.
-	GetSG(GetSGPrm) (*storagegroup.StorageGroup, error)
-
 	// GetHeader must return object header from the container node.
 	GetHeader(GetHeaderPrm) (*object.Object, error)
 
diff --git a/pkg/services/audit/auditor/por.go b/pkg/services/audit/auditor/por.go
index 625cc4bb0..04232e3d0 100644
--- a/pkg/services/audit/auditor/por.go
+++ b/pkg/services/audit/auditor/por.go
@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"sync"
 
+	"github.com/nspcc-dev/neofs-node/pkg/innerring/processors/audit"
 	"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement"
 	"github.com/nspcc-dev/neofs-node/pkg/util/rand"
 	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
@@ -36,12 +37,12 @@ func (c *Context) executePoR() {
 }
 
 func (c *Context) checkStorageGroupPoR(ind int, sg oid.ID) {
-	var getSgPrm GetSGPrm
+	var getSgPrm audit.GetSGPrm
 
 	getSgPrm.Context = c.task.AuditContext()
 	getSgPrm.CID = c.task.ContainerID()
 	getSgPrm.OID = sg
-	getSgPrm.NetMap = c.task.NetworkMap()
+	getSgPrm.NetMap = *c.task.NetworkMap()
 	getSgPrm.Container = c.task.ContainerNodes()
 
 	storageGroup, err := c.cnrCom.GetSG(getSgPrm) // get storage group