diff --git a/conformance_test/negative_tests/15_templates.script b/conformance_test/negative_tests/15_templates.script
index 7c70914a023471bf95a5b89f319d3580d6f710c5..536a2f8ff62b48e7426c5e059ef7c7680a32e3c3 100644
--- a/conformance_test/negative_tests/15_templates.script
+++ b/conformance_test/negative_tests/15_templates.script
@@ -3295,6 +3295,170 @@ error: Restriction on template does not allow usage of omit value
 <END_TC>
 :exmp
 
+*---------------------------------------------------------------------*
+:h3. NegSem_1508_TemplateRestrictions_050 negative test
+.*---------------------------------------------------------------------*
+:xmp tab=0.
+
+<TC - Ensure that decoded content match is not allowed for omit template restriction >
+
+<COMPILE>
+
+<MODULE TTCN NegSem_1508_TemplateRestrictions_050 NegSem_1508_TemplateRestrictions_050.ttcn >
+/******************************************************************************
+ ** @version  0.0.1
+ ** @purpose  1:15.8, Ensure that decoded content match is not allowed for omit template restriction
+ ** @verdict  pass reject, noexecution
+ ***************************************************/
+
+module NegSem_1508_TemplateRestrictions_050 { 
+
+	type record MessageType {
+	  	hexstring payload
+	}
+	
+	type record Mymessage {
+	  	integer field1,
+	  	bitstring field2 optional
+    } with { variant " "};
+	
+
+    type port loopbackPort message
+	{inout MessageType} with {extension "internal"};
+	
+
+    type component GeneralComp {	    	    
+	  	port loopbackPort messagePort
+    }	
+
+	testcase TC_NegSem_1508_TemplateRestrictions_050() runs on GeneralComp {
+		var bitstring v_enc;
+		var Mymessage v_testMessage;
+		var MessageType Message;
+		
+		v_testMessage:=  {  
+		    field1 := 10,
+		    field2 := '1001'B
+		} 
+
+		connect(self:messagePort,self:messagePort);
+
+      	Message.payload := bit2hex(encvalue(v_testMessage));		//encode message to payload
+
+	 	template (omit) MessageType mw_matchingTemplate:=
+	  	{  			
+	  		payload :=  decmatch Mymessage: {field1:= 10, field2 := omit}        
+			//error: omit restriction not allowed
+	  	} 
+
+	  	messagePort.send(Message);	//send message
+
+		alt {
+		 	[] messagePort.receive(mw_matchingTemplate) {
+		   	 	setverdict(pass);
+		 	}
+		 	[] messagePort.receive {
+		    	setverdict(fail,mw_matchingTemplate);
+		 	}
+		}
+		
+	}
+
+	control{
+		execute(TC_NegSem_1508_TemplateRestrictions_050());
+	}
+
+} with { encode "RAW"}
+ 
+<END_MODULE>
+
+<RESULT COUNT 1>
+error: Restriction on template definition does not allow usage of decoded content match
+<END_RESULT>
+
+<END_TC>
+:exmp
+
+*---------------------------------------------------------------------*
+:h3. NegSem_1508_TemplateRestrictions_051 negative test
+.*---------------------------------------------------------------------*
+:xmp tab=0.
+
+<TC - Ensure that decoded content match is not allowed for omit template restriction >
+
+<COMPILE>
+
+<MODULE TTCN NegSem_1508_TemplateRestrictions_051 NegSem_1508_TemplateRestrictions_051.ttcn >
+/******************************************************************************
+ ** @version  0.0.1
+ ** @purpose  1:15.8, Ensure that decoded content match is not allowed for omit template restriction
+ ** @verdict  pass reject, noexecution
+ ***************************************************/
+
+module NegSem_1508_TemplateRestrictions_051 { 
+
+	type record MessageType {
+	  	hexstring payload
+	}
+	
+	type record Mymessage {
+	  	integer field1,
+	  	bitstring field2 optional
+    } with { variant " "};
+	
+    type port loopbackPort message
+	{inout MessageType} with {extension "internal"};
+	
+    type component GeneralComp {	    	    
+	    port loopbackPort messagePort
+    }	
+
+	testcase TC_NegSem_1508_TemplateRestrictions_051() runs on GeneralComp {
+		var bitstring v_enc;
+		var Mymessage v_testMessage;
+		var MessageType Message;
+		
+		v_testMessage:=  {  
+		    field1 := 10,
+		    field2 := '1001'B
+		 } 
+
+		Message.payload := bit2hex(encvalue(v_testMessage)); //encode message to payload
+
+	 	template (value) MessageType mw_matchingTemplate:=
+	  	{  			
+	  		payload :=  decmatch Mymessage: {field1:= 10, field2 :=  '1001'B}        
+			//error: value restriction not allowed
+	  	} 
+
+	  	messagePort.send(Message);	//send message
+
+		alt {
+		 	[] messagePort.receive(mw_matchingTemplate) {
+		    	setverdict(pass);
+		 	}
+		 	[] messagePort.receive {
+		    	setverdict(fail,mw_matchingTemplate);
+		 	}
+		}
+		
+	}
+
+	control{
+		execute(TC_NegSem_1508_TemplateRestrictions_051());
+	}
+
+} with { encode "RAW"}
+ 
+<END_MODULE>
+
+<RESULT COUNT 1>
+error: Restriction on template definition does not allow usage of decoded content match
+<END_RESULT>
+
+<END_TC>
+:exmp
+
 .*---------------------------------------------------------------------*
 :h2. 1509_match_operation folder
 .*---------------------------------------------------------------------*