diff --git a/modules/net/dap_chain_node.c b/modules/net/dap_chain_node.c
index a0b601f7eceb6a1957734e228270d7cb182581e5..30f6b15d65ddddbe28d187e177fa922146f47ff3 100644
--- a/modules/net/dap_chain_node.c
+++ b/modules/net/dap_chain_node.c
@@ -271,6 +271,7 @@ bool dap_chain_node_mempool_process(dap_chain_t *a_chain, dap_chain_datum_t *a_d
     if (l_verify_datum != 0 &&
             l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_TX_NO_PREVIOUS &&
             l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_TX_NO_EMISSION &&
+            l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_NOT_ENOUGH_SIGNS &&
             l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_NO_DECREE)
         return true;
     if (!l_verify_datum
diff --git a/modules/net/include/dap_chain_ledger.h b/modules/net/include/dap_chain_ledger.h
index 777e259835417b9ddd7e0c28b401d82452309431..a9b58d5bc4b9a86817fd7b3aadc31e02ef3a549e 100644
--- a/modules/net/include/dap_chain_ledger.h
+++ b/modules/net/include/dap_chain_ledger.h
@@ -177,11 +177,13 @@ typedef bool (*dap_ledger_tag_check_callback_t)(dap_ledger_t *a_ledger, dap_chai
 #define DAP_LEDGER_CACHE_ENABLED           0x0200
 
 // Error code for no previous transaction (for stay in mempool)
-#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_PREVIOUS  DAP_LEDGER_TX_CHECK_PREV_TX_NOT_FOUND
-// Error code for no emission for a transaction (for stay in mempoold)
-#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_EMISSION  DAP_LEDGER_TX_CHECK_EMISSION_NOT_FOUND
+#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_PREVIOUS     DAP_LEDGER_TX_CHECK_PREV_TX_NOT_FOUND
+// Error code for no emission for a transaction (for stay in mempool)
+#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_EMISSION     DAP_LEDGER_TX_CHECK_EMISSION_NOT_FOUND
+// Error code for not enough valid emission signs (for stay in mempool)
+#define DAP_CHAIN_CS_VERIFY_CODE_NOT_ENOUGH_SIGNS   DAP_LEDGER_EMISSION_ADD_CHECK_NOT_ENOUGH_VALID_SIGNS
 // Error code for no decree for anchor (for stay in mempool)
-#define DAP_CHAIN_CS_VERIFY_CODE_NO_DECREE       -1113
+#define DAP_CHAIN_CS_VERIFY_CODE_NO_DECREE          -1113
 
 #define DAP_LEDGER_TOKENS_STR              "tokens"
 #define DAP_LEDGER_EMISSIONS_STR           "emissions"