diff --git a/pkg/morph/client/balance/transfer.go b/pkg/morph/client/balance/transfer.go
index f3a21249..5305aa54 100644
--- a/pkg/morph/client/balance/transfer.go
+++ b/pkg/morph/client/balance/transfer.go
@@ -40,10 +40,25 @@ func (t *TransferXArgs) SetDetails(v []byte) {
 	t.details = v
 }
 
-// TransferX invokes the call of "transferX" method
+// TransferX directly invokes the call of "transferX" method
 // of NeoFS Balance contract.
 func (c *Client) TransferX(args TransferXArgs) error {
-	return errors.Wrapf(c.client.Invoke(
+	return c.transferX(false, args)
+}
+
+// TransferXNotary invokes the call of "transferX" method
+// of NeoFS Balance contract via notary contract.
+func (c *Client) TransferXNotary(args TransferXArgs) error {
+	return c.transferX(true, args)
+}
+
+func (c *Client) transferX(notary bool, args TransferXArgs) error {
+	f := c.client.Invoke
+	if notary {
+		f = c.client.NotaryInvoke
+	}
+
+	return errors.Wrapf(f(
 		c.transferXMethod,
 		args.sender,
 		args.recipient,
diff --git a/pkg/morph/client/balance/wrapper/transfer.go b/pkg/morph/client/balance/wrapper/transfer.go
index 7cadede9..8152c44f 100644
--- a/pkg/morph/client/balance/wrapper/transfer.go
+++ b/pkg/morph/client/balance/wrapper/transfer.go
@@ -15,9 +15,19 @@ type TransferPrm struct {
 	Details []byte
 }
 
-// TransferX transfers Amound of GASe-12 from p.From to p.To
-// with details p.Details through smart contract call.
+// TransferX transfers p.Amount of GASe-12 from p.From to p.To
+// with details p.Details through direct smart contract call.
 func (w *Wrapper) TransferX(p TransferPrm) error {
+	return w.transferX(false, p)
+}
+
+// TransferXNotary transfers p.Amount of GASe-12 from p.From to p.To
+// with details p.Details via notary contract.
+func (w *Wrapper) TransferXNotary(p TransferPrm) error {
+	return w.transferX(true, p)
+}
+
+func (w *Wrapper) transferX(notary bool, p TransferPrm) error {
 	from, err := owner.ScriptHashBE(p.From)
 	if err != nil {
 		return errors.Wrap(err, "invalid sender")
@@ -36,5 +46,10 @@ func (w *Wrapper) TransferX(p TransferPrm) error {
 	args.SetDetails(p.Details)
 
 	// invoke smart contract call
-	return w.client.TransferX(args)
+	f := w.client.TransferX
+	if notary {
+		f = w.client.TransferXNotary
+	}
+
+	return f(args)
 }
diff --git a/pkg/morph/client/container/estimations.go b/pkg/morph/client/container/estimations.go
index be21e8cd..118ee296 100644
--- a/pkg/morph/client/container/estimations.go
+++ b/pkg/morph/client/container/estimations.go
@@ -21,14 +21,14 @@ func (e *StopEstimation) SetEpoch(v int64) {
 }
 
 func (c *Client) StartEstimation(args StartEstimation) error {
-	return errors.Wrapf(c.client.Invoke(
+	return errors.Wrapf(c.client.NotaryInvoke(
 		c.startEstimation,
 		args.epoch,
 	), "could not invoke method (%s)", c.startEstimation)
 }
 
 func (c *Client) StopEstimation(args StopEstimation) error {
-	return errors.Wrapf(c.client.Invoke(
+	return errors.Wrapf(c.client.NotaryInvoke(
 		c.stopEstimation,
 		args.epoch,
 	), "could not invoke method (%s)", c.stopEstimation)
diff --git a/pkg/morph/client/static.go b/pkg/morph/client/static.go
index f4db5ced..62530e27 100644
--- a/pkg/morph/client/static.go
+++ b/pkg/morph/client/static.go
@@ -61,3 +61,14 @@ func (s StaticClient) TestInvoke(method string, args ...interface{}) ([]stackite
 		args...,
 	)
 }
+
+// NotaryInvoke calls NotaryInvoke method of Client with static internal
+// script hash. Returns error if notary support was not enabled in underlying
+// moprh client.
+func (s StaticClient) NotaryInvoke(method string, args ...interface{}) error {
+	return s.client.NotaryInvoke(
+		s.scScriptHash,
+		method,
+		args...,
+	)
+}