diff --git a/TS_103_280.asn1 b/TS_103_280.asn1
index 68cfe54e9a3e75ef0565bd50cd1c0d4bdbc8793f..a833ec79898d7155a392c5ae07395fed5a4f5512 100644
--- a/TS_103_280.asn1
+++ b/TS_103_280.asn1
@@ -9,7 +9,7 @@ commonParameterDomainId OBJECT IDENTIFIER ::= {itu-t(0) identified-organization(
 
 -- Common Parameters (below are as defined in clause 6)
 
-LIID ::= OCTET STRING (SIZE (1..25))
+LIID ::= OCTET STRING (SIZE (10..25))
 
 TCPPort ::= INTEGER (1..65535)
 
@@ -77,7 +77,7 @@ SUPIIMSI ::= IMSI
 
 SUPINAI ::= NAI
 
-SUCI ::= OCTET STRING
+SUCI ::= OCTET STRING (SIZE(3000))
 
 PEIIMEI ::= IMEI