diff --git a/pkg/innerring/innerring.go b/pkg/innerring/innerring.go
index 19dd98e27c..d4ab96f37f 100644
--- a/pkg/innerring/innerring.go
+++ b/pkg/innerring/innerring.go
@@ -589,6 +589,7 @@ func New(ctx context.Context, log *zap.Logger, cfg *viper.Viper, errChan chan<-
 		NetmapClient:     server.netmapClient,
 		ContainerClient:  cnrClient,
 		IRList:           server,
+		EpochSource:      server,
 		SGSource:         clientCache,
 		Key:              &server.key.PrivateKey,
 		RPCSearchTimeout: cfg.GetDuration("audit.timeout.search"),
diff --git a/pkg/innerring/processors/audit/process.go b/pkg/innerring/processors/audit/process.go
index 058fbb5e9a..f751cbe49b 100644
--- a/pkg/innerring/processors/audit/process.go
+++ b/pkg/innerring/processors/audit/process.go
@@ -12,7 +12,9 @@ import (
 	"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement"
 	"github.com/nspcc-dev/neofs-node/pkg/util/rand"
 	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"
 	"go.uber.org/zap"
 )
 
@@ -80,14 +82,20 @@ func (ap *Processor) processStartAudit(epoch uint64) {
 		})
 
 		// search storage groups
-		storageGroups := ap.findStorageGroups(containers[i], n)
+		storageGroupsIDs := ap.findStorageGroups(containers[i], n)
 		log.Info("select storage groups for audit",
+			zap.Stringer("cid", containers[i]),
+			zap.Int("amount", len(storageGroupsIDs)))
+
+		// filter expired storage groups
+		storageGroups := ap.filterExpiredSG(containers[i], storageGroupsIDs, nodes, *nm)
+		log.Info("filter expired storage groups for audit",
 			zap.Stringer("cid", containers[i]),
 			zap.Int("amount", len(storageGroups)))
 
-		// skip audit for containers
-		// without storage groups
-		if len(storageGroups) == 0 {
+		// skip audit for containers without
+		// non-expired storage groups
+		if len(storageGroupsIDs) == 0 {
 			continue
 		}
 
@@ -161,3 +169,41 @@ func (ap *Processor) findStorageGroups(cnr cid.ID, shuffled netmapcore.Nodes) []
 
 	return sg
 }
+
+func (ap *Processor) filterExpiredSG(cid cid.ID, sgIDs []oid.ID,
+	cnr [][]netmap.NodeInfo, nm netmap.NetMap) map[oid.ID]storagegroupSDK.StorageGroup {
+	sgs := make(map[oid.ID]storagegroupSDK.StorageGroup, len(sgIDs))
+
+	var getSGPrm GetSGPrm
+	getSGPrm.CID = cid
+	getSGPrm.Container = cnr
+	getSGPrm.NetMap = nm
+
+	for _, sgID := range sgIDs {
+		ctx, cancel := context.WithTimeout(context.Background(), ap.searchTimeout)
+
+		getSGPrm.OID = sgID
+		getSGPrm.Context = ctx
+
+		sg, err := ap.sgSrc.GetSG(getSGPrm)
+
+		cancel()
+
+		if err != nil {
+			ap.log.Error(
+				"could not get storage group object for audit, skipping",
+				zap.Stringer("cid", cid),
+				zap.Stringer("oid", sgID),
+				zap.Error(err),
+			)
+			continue
+		}
+
+		// filter expired epochs
+		if sg.ExpirationEpoch() > ap.epochSrc.EpochCounter() {
+			sgs[sgID] = *sg
+		}
+	}
+
+	return sgs
+}
diff --git a/pkg/innerring/processors/audit/processor.go b/pkg/innerring/processors/audit/processor.go
index cdcad0636b..a4c3d50cbb 100644
--- a/pkg/innerring/processors/audit/processor.go
+++ b/pkg/innerring/processors/audit/processor.go
@@ -35,12 +35,20 @@ type (
 		Reset() int
 	}
 
+	// EpochSource is an interface that provides actual
+	// epoch information.
+	EpochSource interface {
+		// EpochCounter must return current epoch number.
+		EpochCounter() uint64
+	}
+
 	// Processor of events related to data audit.
 	Processor struct {
 		log           *zap.Logger
 		pool          *ants.Pool
 		irList        Indexer
 		sgSrc         SGSource
+		epochSrc      EpochSource
 		searchTimeout time.Duration
 
 		containerClient *cntClient.Client
@@ -62,6 +70,7 @@ type (
 		TaskManager      TaskManager
 		Reporter         audit.Reporter
 		Key              *ecdsa.PrivateKey
+		EpochSource      EpochSource
 	}
 )
 
@@ -148,6 +157,8 @@ func New(p *Params) (*Processor, error) {
 		return nil, errors.New("ir/audit: audit result reporter is not set")
 	case p.Key == nil:
 		return nil, errors.New("ir/audit: signing key is not set")
+	case p.EpochSource == nil:
+		return nil, errors.New("ir/audit: epoch source is not set")
 	}
 
 	pool, err := ants.NewPool(ProcessorPoolSize, ants.WithNonblocking(true))
@@ -161,6 +172,7 @@ func New(p *Params) (*Processor, error) {
 		containerClient:   p.ContainerClient,
 		irList:            p.IRList,
 		sgSrc:             p.SGSource,
+		epochSrc:          p.EpochSource,
 		searchTimeout:     p.RPCSearchTimeout,
 		netmapClient:      p.NetmapClient,
 		taskManager:       p.TaskManager,
diff --git a/pkg/services/audit/auditor/context.go b/pkg/services/audit/auditor/context.go
index 0028644ee8..b20adf4c47 100644
--- a/pkg/services/audit/auditor/context.go
+++ b/pkg/services/audit/auditor/context.go
@@ -26,7 +26,7 @@ type Context struct {
 	report *audit.Report
 
 	sgMembersMtx   sync.RWMutex
-	sgMembersCache map[int][]oid.ID
+	sgMembersCache map[oid.ID][]oid.ID
 
 	placementMtx   sync.Mutex
 	placementCache map[string][][]netmap.NodeInfo
@@ -178,7 +178,7 @@ func (c *Context) containerID() cid.ID {
 func (c *Context) init() {
 	c.report = audit.NewReport(c.containerID())
 
-	c.sgMembersCache = make(map[int][]oid.ID)
+	c.sgMembersCache = make(map[oid.ID][]oid.ID)
 
 	c.placementCache = make(map[string][][]netmap.NodeInfo)
 
@@ -293,9 +293,9 @@ func (c *Context) updateHeadResponses(hdr *object.Object) {
 	}
 }
 
-func (c *Context) updateSGInfo(ind int, members []oid.ID) {
+func (c *Context) updateSGInfo(id oid.ID, members []oid.ID) {
 	c.sgMembersMtx.Lock()
 	defer c.sgMembersMtx.Unlock()
 
-	c.sgMembersCache[ind] = members
+	c.sgMembersCache[id] = members
 }
diff --git a/pkg/services/audit/auditor/por.go b/pkg/services/audit/auditor/por.go
index 04232e3d0d..e5f0a2d54a 100644
--- a/pkg/services/audit/auditor/por.go
+++ b/pkg/services/audit/auditor/por.go
@@ -5,10 +5,10 @@ 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"
+	storagegroupSDK "github.com/nspcc-dev/neofs-sdk-go/storagegroup"
 	"github.com/nspcc-dev/tzhash/tz"
 	"go.uber.org/zap"
 )
@@ -17,13 +17,11 @@ func (c *Context) executePoR() {
 	wg := new(sync.WaitGroup)
 	sgs := c.task.StorageGroupList()
 
-	for i := range sgs {
+	for id, sg := range sgs {
 		wg.Add(1)
 
-		sg := sgs[i]
-
 		if err := c.porWorkerPool.Submit(func() {
-			c.checkStorageGroupPoR(i, sg)
+			c.checkStorageGroupPoR(id, sg)
 			wg.Done()
 		}); err != nil {
 			wg.Done()
@@ -36,26 +34,9 @@ func (c *Context) executePoR() {
 	c.report.SetPoRCounters(c.porRequests.Load(), c.porRetries.Load())
 }
 
-func (c *Context) checkStorageGroupPoR(ind int, sg oid.ID) {
-	var getSgPrm audit.GetSGPrm
-
-	getSgPrm.Context = c.task.AuditContext()
-	getSgPrm.CID = c.task.ContainerID()
-	getSgPrm.OID = sg
-	getSgPrm.NetMap = *c.task.NetworkMap()
-	getSgPrm.Container = c.task.ContainerNodes()
-
-	storageGroup, err := c.cnrCom.GetSG(getSgPrm) // get storage group
-	if err != nil {
-		c.log.Warn("can't get storage group",
-			zap.Stringer("sgid", sg),
-			zap.String("error", err.Error()))
-
-		return
-	}
-
-	members := storageGroup.Members()
-	c.updateSGInfo(ind, members)
+func (c *Context) checkStorageGroupPoR(sgID oid.ID, sg storagegroupSDK.StorageGroup) {
+	members := sg.Members()
+	c.updateSGInfo(sgID, members)
 
 	var (
 		tzHash    []byte
@@ -73,7 +54,7 @@ func (c *Context) checkStorageGroupPoR(ind int, sg oid.ID) {
 		objectPlacement, err := c.buildPlacement(members[i])
 		if err != nil {
 			c.log.Info("can't build placement for storage group member",
-				zap.Stringer("sg", sg),
+				zap.Stringer("sg", sgID),
 				zap.String("member_id", members[i].String()),
 			)
 
@@ -133,16 +114,16 @@ func (c *Context) checkStorageGroupPoR(ind int, sg oid.ID) {
 	c.porRequests.Add(accRequests)
 	c.porRetries.Add(accRetries)
 
-	sizeCheck := storageGroup.ValidationDataSize() == totalSize
-	cs, _ := storageGroup.ValidationDataHash()
+	sizeCheck := sg.ValidationDataSize() == totalSize
+	cs, _ := sg.ValidationDataHash()
 	tzCheck := bytes.Equal(tzHash, cs.Value())
 
 	if sizeCheck && tzCheck {
-		c.report.PassedPoR(sg) // write report
+		c.report.PassedPoR(sgID) // write report
 	} else {
 		if !sizeCheck {
 			c.log.Debug("storage group size check failed",
-				zap.Uint64("expected", storageGroup.ValidationDataSize()),
+				zap.Uint64("expected", sg.ValidationDataSize()),
 				zap.Uint64("got", totalSize))
 		}
 
@@ -150,6 +131,6 @@ func (c *Context) checkStorageGroupPoR(ind int, sg oid.ID) {
 			c.log.Debug("storage group tz hash check failed")
 		}
 
-		c.report.FailedPoR(sg) // write report
+		c.report.FailedPoR(sgID) // write report
 	}
 }
diff --git a/pkg/services/audit/task.go b/pkg/services/audit/task.go
index f207033a0c..d5832947f3 100644
--- a/pkg/services/audit/task.go
+++ b/pkg/services/audit/task.go
@@ -7,6 +7,7 @@ import (
 	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"
 )
 
 // Task groups groups the container audit parameters.
@@ -23,7 +24,7 @@ type Task struct {
 
 	cnrNodes [][]netmap.NodeInfo
 
-	sgList []oid.ID
+	sgList map[oid.ID]storagegroupSDK.StorageGroup
 }
 
 // WithReporter sets audit report writer.
@@ -111,7 +112,7 @@ func (t *Task) ContainerNodes() [][]netmap.NodeInfo {
 }
 
 // WithStorageGroupList sets a list of storage groups from container under audit.
-func (t *Task) WithStorageGroupList(sgList []oid.ID) *Task {
+func (t *Task) WithStorageGroupList(sgList map[oid.ID]storagegroupSDK.StorageGroup) *Task {
 	if t != nil {
 		t.sgList = sgList
 	}
@@ -120,6 +121,6 @@ func (t *Task) WithStorageGroupList(sgList []oid.ID) *Task {
 }
 
 // StorageGroupList returns list of storage groups from container under audit.
-func (t *Task) StorageGroupList() []oid.ID {
+func (t *Task) StorageGroupList() map[oid.ID]storagegroupSDK.StorageGroup {
 	return t.sgList
 }