diff --git a/library/GSM_RR_Types.ttcn b/library/GSM_RR_Types.ttcn
index f313e23a0..b098118de 100644
--- a/library/GSM_RR_Types.ttcn
+++ b/library/GSM_RR_Types.ttcn
@@ -543,13 +543,13 @@ module GSM_RR_Types {
 		IaRestOctLL	ll optional,
 		IaRestOctLH	lh optional,
 		IaRestOctHL	hl optional,
-		IaRestOctHH	hh optional,
-		bitstring	pad optional
+		IaRestOctHH	hh optional
 	} with {
 		variant (ll) "PRESENCE(presence = '00'B)"
 		variant (lh) "PRESENCE(presence = '01'B)"
 		variant (hl) "PRESENCE(presence = '10'B)"
 		variant (hh) "PRESENCE(presence = '11'B)"
+		variant "PADDING(yes), PADDING_PATTERN('00101011'B)"
 	};
 
 	type record MeasurementResults {
@@ -590,7 +590,8 @@ module GSM_RR_Types {
 		/* TODO: starting time TLV */
 		IaRestOctets			rest_octets
 	} with { variant (chan_desc) "PRESENCE(ded_or_tbf.tbf = false)"
-		 variant (pkt_chan_desc) "PRESENCE(ded_or_tbf.tbf = true)" };
+		 variant (pkt_chan_desc) "PRESENCE(ded_or_tbf.tbf = true)"
+		 variant "PADDING(168), PADDING_PATTERN('00101011'B)" };
 
 	/* 9.1.20 */
 	type record ReqRefWaitInd {
@@ -744,7 +745,8 @@ module GSM_RR_Types {
 						/* Compressed INTER RAT HO INFO: shall not be used (L)
 						 * TODO: use variant "CSN.1 L/H" to avoid confusion. */
 						compressed_irat_ho_info_ind := '1'B
-					}
+					},
+					lh := omit, hl := omit, hh := omit
 				}
 			}
 		}