diff --git a/VERSION b/VERSION
index 7c48a4c..6085e94 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.1-dev161
+1.2.1
diff --git a/internal/pkg/config/config.go b/internal/pkg/config/config.go
index 5e76275..628c689 100644
--- a/internal/pkg/config/config.go
+++ b/internal/pkg/config/config.go
@@ -61,7 +61,8 @@
 	defaultTraceAgentAddress     = "127.0.0.1:6831"
 	defaultLogCorrelationEnabled = true
 
-	defaultMetricsEnabled = false
+	defaultMetricsEnabled   = false
+	defaultMibAuditInterval = 0
 )
 
 // AdapterFlags represents the set of configurations used by the read-write adaptercore service
@@ -96,6 +97,7 @@
 	LogCorrelationEnabled       bool
 	OnuVendorIds                string
 	MetricsEnabled              bool
+	MibAuditInterval            time.Duration
 }
 
 // NewAdapterFlags returns a new RWCore config
@@ -130,6 +132,7 @@
 		LogCorrelationEnabled:       defaultLogCorrelationEnabled,
 		OnuVendorIds:                defaultOnuVendorIds,
 		MetricsEnabled:              defaultMetricsEnabled,
+		MibAuditInterval:            defaultMibAuditInterval,
 	}
 	return &adapterFlags
 }
@@ -222,6 +225,9 @@
 	help = fmt.Sprintf("Whether to enable metrics collection")
 	flag.BoolVar(&(so.MetricsEnabled), "metrics_enabled", defaultMetricsEnabled, help)
 
+	help = fmt.Sprintf("Mib Audit Interval in seconds - the value zero will disable Mib Audit")
+	flag.DurationVar(&(so.MibAuditInterval), "mib_audit_interval", defaultMibAuditInterval, help)
+
 	flag.Parse()
 	containerName := getContainerInfo()
 	if len(containerName) > 0 {
diff --git a/internal/pkg/onuadaptercore/mib_sync.go b/internal/pkg/onuadaptercore/mib_sync.go
index 9e1a6a5..c3e194e 100644
--- a/internal/pkg/onuadaptercore/mib_sync.go
+++ b/internal/pkg/onuadaptercore/mib_sync.go
@@ -234,10 +234,10 @@
 
 func (oo *OnuDeviceEntry) enterInSyncState(ctx context.Context, e *fsm.Event) {
 	oo.sOnuPersistentData.PersMibLastDbSync = uint32(time.Now().Unix())
-	if oo.mibAuditDelay > 0 {
-		logger.Debugw(ctx, "MibSync FSM", log.Fields{"trigger next Audit in State": e.FSM.Current(), "oo.mibAuditDelay": oo.mibAuditDelay, "device-id": oo.deviceID})
+	if oo.mibAuditInterval > 0 {
+		logger.Debugw(ctx, "MibSync FSM", log.Fields{"trigger next Audit in State": e.FSM.Current(), "oo.mibAuditInterval": oo.mibAuditInterval, "device-id": oo.deviceID})
 		go func() {
-			time.Sleep(time.Duration(oo.mibAuditDelay) * time.Second)
+			time.Sleep(oo.mibAuditInterval)
 			if err := oo.pMibUploadFsm.pFsm.Event(ulEvAuditMib); err != nil {
 				logger.Debugw(ctx, "MibSyncFsm: Can't go to state auditing", log.Fields{"device-id": oo.deviceID, "err": err})
 			}
diff --git a/internal/pkg/onuadaptercore/onu_device_entry.go b/internal/pkg/onuadaptercore/onu_device_entry.go
index 37d16fe..b65b055 100644
--- a/internal/pkg/onuadaptercore/onu_device_entry.go
+++ b/internal/pkg/onuadaptercore/onu_device_entry.go
@@ -156,7 +156,7 @@
 type activityDescr struct {
 	databaseClass func(context.Context) error
 	//advertiseEvents bool
-	auditDelay uint16
+	auditInterval time.Duration
 	//tasks           map[string]func() error
 }
 
@@ -215,17 +215,17 @@
 }
 
 type onuPersistentData struct {
-	PersOnuID           uint32          `json:"onu_id"`
-	PersIntfID          uint32          `json:"intf_id"`
-	PersSnr             string          `json:"serial_number"`
-	PersAdminState      string          `json:"admin_state"`
-	PersOperState       string          `json:"oper_state"`
-	PersUniUnlockDone   bool            `json:"uni_unlock_done"`
-	PersUniDisableDone  bool            `json:"uni_disable_done"`
-	PersMibAuditDelay   uint16          `json:"mib_audit_delay"`
-	PersMibLastDbSync   uint32          `json:"mib_last_db_sync"`
-	PersMibDataSyncAdpt uint8           `json:"mib_data_sync_adpt"`
-	PersUniConfig       []uniPersConfig `json:"uni_config"`
+	PersOnuID            uint32          `json:"onu_id"`
+	PersIntfID           uint32          `json:"intf_id"`
+	PersSnr              string          `json:"serial_number"`
+	PersAdminState       string          `json:"admin_state"`
+	PersOperState        string          `json:"oper_state"`
+	PersUniUnlockDone    bool            `json:"uni_unlock_done"`
+	PersUniDisableDone   bool            `json:"uni_disable_done"`
+	PersMibAuditInterval time.Duration   `json:"mib_audit_interval"`
+	PersMibLastDbSync    uint32          `json:"mib_last_db_sync"`
+	PersMibDataSyncAdpt  uint8           `json:"mib_data_sync_adpt"`
+	PersUniConfig        []uniPersConfig `json:"uni_config"`
 }
 
 // OnuDeviceEntry - ONU device info and FSM events.
@@ -256,7 +256,7 @@
 	supportedFsms OmciDeviceFsms
 	devState      OnuDeviceEvent
 	// Audit and MDS
-	mibAuditDelay uint16
+	mibAuditInterval time.Duration
 	// TODO: periodical mib resync will be implemented with story VOL-3792
 	//mibNextDbResync uint32
 
@@ -300,7 +300,7 @@
 				//mibSyncFsm,        // Implements the MIB synchronization state machine
 				onuDeviceEntry.mibDbVolatileDict, // Implements volatile ME MIB database
 				//true,                             // Advertise events on OpenOMCI event bus
-				0, // Time to wait between MIB audits.  0 to disable audits.
+				dh.pOpenOnuAc.mibAuditInterval, // Time to wait between MIB audits.  0 to disable audits.
 				// map[string]func() error{
 				// 	"mib-upload":    onuDeviceEntry.MibUploadTask,
 				// 	"mib-template":  onuDeviceEntry.MibTemplateTask,
@@ -316,15 +316,15 @@
 	logger.Debug(ctx, "access2mibDbClass")
 	go onuDeviceEntry.mibDbClass(ctx)
 	if !dh.reconciling {
-		onuDeviceEntry.mibAuditDelay = onuDeviceEntry.supportedFsms["mib-synchronizer"].auditDelay
-		onuDeviceEntry.sOnuPersistentData.PersMibAuditDelay = onuDeviceEntry.mibAuditDelay
+		onuDeviceEntry.mibAuditInterval = onuDeviceEntry.supportedFsms["mib-synchronizer"].auditInterval
+		onuDeviceEntry.sOnuPersistentData.PersMibAuditInterval = onuDeviceEntry.mibAuditInterval
 	} else {
-		logger.Debugw(ctx, "reconciling - take audit delay from persistent data", log.Fields{"device-id": dh.deviceID})
-		// TODO: This is a preparation for VOL-3786 to preserve config history in case of
+		logger.Debugw(ctx, "reconciling - take audit interval from persistent data", log.Fields{"device-id": dh.deviceID})
+		// TODO: This is a preparation for VOL-VOL-3811 to preserve config history in case of
 		// vendor- or deviceID-specific configurations via voltctl-commands
-		onuDeviceEntry.mibAuditDelay = onuDeviceEntry.sOnuPersistentData.PersMibAuditDelay
+		onuDeviceEntry.mibAuditInterval = onuDeviceEntry.sOnuPersistentData.PersMibAuditInterval
 	}
-	logger.Debugw(ctx, "MibAudit is set to", log.Fields{"Delay": onuDeviceEntry.mibAuditDelay})
+	logger.Debugw(ctx, "MibAudit is set to", log.Fields{"Interval": onuDeviceEntry.mibAuditInterval})
 	// TODO: periodical mib resync will be implemented with story VOL-3792
 	//onuDeviceEntry.mibNextDbResync = 0
 
@@ -562,7 +562,7 @@
 		logger.Debugw(ctx, "onuKVStore not set - abort", log.Fields{"device-id": oo.deviceID})
 		return fmt.Errorf(fmt.Sprintf("onuKVStore-not-set-abort-%s", oo.deviceID))
 	}
-	oo.sOnuPersistentData = onuPersistentData{0, 0, "", "", "", false, false, oo.mibAuditDelay, 0, 0, make([]uniPersConfig, 0)}
+	oo.sOnuPersistentData = onuPersistentData{0, 0, "", "", "", false, false, oo.mibAuditInterval, 0, 0, make([]uniPersConfig, 0)}
 	Value, err := oo.onuKVStore.Get(ctx, oo.onuKVStorePath)
 	if err == nil {
 		if Value != nil {
@@ -608,8 +608,8 @@
 func (oo *OnuDeviceEntry) deletePersistentData(ctx context.Context, aProcessingStep uint8) {
 
 	logger.Debugw(ctx, "delete and clear internal persistency data", log.Fields{"device-id": oo.deviceID})
-	oo.sOnuPersistentData.PersUniConfig = nil                                                                                   //releasing all UniConfig entries to garbage collector
-	oo.sOnuPersistentData = onuPersistentData{0, 0, "", "", "", false, false, oo.mibAuditDelay, 0, 0, make([]uniPersConfig, 0)} //default entry
+	oo.sOnuPersistentData.PersUniConfig = nil                                                                                      //releasing all UniConfig entries to garbage collector
+	oo.sOnuPersistentData = onuPersistentData{0, 0, "", "", "", false, false, oo.mibAuditInterval, 0, 0, make([]uniPersConfig, 0)} //default entry
 
 	logger.Debugw(ctx, "delete ONU-data from KVStore", log.Fields{"device-id": oo.deviceID})
 	err := oo.onuKVStore.Delete(ctx, oo.onuKVStorePath)
diff --git a/internal/pkg/onuadaptercore/openonu.go b/internal/pkg/onuadaptercore/openonu.go
index 1eeac1a..7bc9936 100644
--- a/internal/pkg/onuadaptercore/openonu.go
+++ b/internal/pkg/onuadaptercore/openonu.go
@@ -68,6 +68,7 @@
 	maxTimeoutInterAdapterComm time.Duration
 	pDownloadManager           *adapterDownloadManager
 	metricsEnabled             bool
+	mibAuditInterval           time.Duration
 }
 
 //NewOpenONUAC returns a new instance of OpenONU_AC
@@ -98,14 +99,14 @@
 	openOnuAc.maxTimeoutInterAdapterComm = cfg.MaxTimeoutInterAdapterComm
 	//openOnuAc.GrpcTimeoutInterval = cfg.GrpcTimeoutInterval
 	openOnuAc.metricsEnabled = cfg.MetricsEnabled
+	openOnuAc.mibAuditInterval = cfg.MibAuditInterval
 
 	openOnuAc.pSupportedFsms = &OmciDeviceFsms{
 		"mib-synchronizer": {
 			//mibSyncFsm,        // Implements the MIB synchronization state machine
 			mibDbVolatileDictImpl, // Implements volatile ME MIB database
 			//true,                  // Advertise events on OpenOMCI event bus
-			//TODO: audit delay should come from command parameters configured via helm charts (covered by VOL-3786)
-			cMibAuditDelayImpl, // Time to wait between MIB audits.  0 to disable audits.
+			openOnuAc.mibAuditInterval, // Time to wait between MIB audits.  0 to disable audits.
 			// map[string]func() error{
 			// 	"mib-upload":    onuDeviceEntry.MibUploadTask,
 			// 	"mib-template":  onuDeviceEntry.MibTemplateTask,
diff --git a/internal/pkg/onuadaptercore/openonuimpl.go b/internal/pkg/onuadaptercore/openonuimpl.go
index 6250a03..1230a01 100644
--- a/internal/pkg/onuadaptercore/openonuimpl.go
+++ b/internal/pkg/onuadaptercore/openonuimpl.go
@@ -86,10 +86,6 @@
 }
 */
 
-// mib audit is deactivated by default - story planned to make it configurable:
-// TODO: VOL-3786 - Support configuration of mib data sync audit via helm charts and voltctl commands
-const cMibAuditDelayImpl = 0
-
 //suppose global methods per adapter ...
 func mibDbVolatileDictImpl(ctx context.Context) error {
 	logger.Debug(ctx, "MibVolatileDict-called")