diff --git a/ASN/TS32298_CHFChargingDataTypes.asn b/ASN/TS32298_CHFChargingDataTypes.asn
index 3c9ba76b684a7f35d34438935c9af5b2208ca37c..63f23f547593ea88b04f5263374e953a47e178b7 100644
--- a/ASN/TS32298_CHFChargingDataTypes.asn
+++ b/ASN/TS32298_CHFChargingDataTypes.asn
@@ -1666,8 +1666,9 @@ NetworkFunctionality	::= ENUMERATED
 	-- UPF is applicable only as API Target NF in NEF charging
 	tSN-AF			(20),
 	tSNTSF			(21),
-	mB-SMF			(22)
-
+	mB-SMF			(22),
+	aIOTF			(23)
+	-- AIOTF is applicable only as API Target NF in NEF charging
 }
 
 NgApCause	::= SEQUENCE