diff --git a/PLpgSQLFunction-etiqNaturezaInteresse-REQ000000329189.sql b/PLpgSQLFunction-etiqNaturezaInteresse-REQ000000329189.sql
index d50f2d6..525156c 100644
--- a/PLpgSQLFunction-etiqNaturezaInteresse-REQ000000329189.sql
+++ b/PLpgSQLFunction-etiqNaturezaInteresse-REQ000000329189.sql
@@ -14,11 +14,34 @@ DECLARE
 	natureza TEXT;
   	data_final_pc date;
   	data_corte date;
+	msg_err TEXT := 'ERRO: Falta(m) parametro(s) ';
+	count_err int := 0;
 	
 BEGIN
+	
+	IF iniciomandato IS NULL THEN
+		msg_err :=  concat(msg_err,' inicio_mandato ');
+		count_err := count_err + 1;
+	END IF;
+
+	IF iniciovigencia IS NULL THEN
+		msg_err :=  concat(msg_err,' inicio_vigencia ');
+		count_err := count_err + 1;
+	END IF;
+
+	IF fimvigencia IS NULL THEN
+		msg_err :=  concat(msg_err,' fim_vigencia ');
+		count_err := count_err + 1;
+	END IF;
+
+	
+	IF programa = 'AUSENTE'  THEN
+		msg_err :=  concat(msg_err,' programa ');
+		count_err := count_err + 1;
+	END IF;
 
-	IF programa = 'AUSENTE' THEN
-		RETURN 'ERRO - Falta paramentro-programa';
+	IF  count_err > 0 THEN
+		RETURN msg_err::text;
 		EXIT;
 	END IF;
 
@@ -101,9 +124,21 @@ drop FUNCTION par.naturezainteresse_v2(
 
 select * from par.naturezainteresse_v2('2017-01-01', '2023-11-07', '2018-05-15', '2019-05-15','par3');
 
+
+select * from par.naturezainteresse_v2(null, '2023-11-07', '2018-05-15', '2019-05-15','par3');
+
+
+select * from par.naturezainteresse_v2('2017-01-01', '2023-11-07', null, '2019-05-15','par3'); 
+
+
+select * from par.naturezainteresse_v2('2017-01-01', '2023-11-07', '2018-05-15', null,'par3');
+
+select * from par.naturezainteresse_v2(null, '2023-11-07', null, null,'par3');
+
+
 select * from par.naturezainteresse_v2('2017-01-01', '2023-11-07', '2018-05-15', '2019-05-15');
 
-select * from par.naturezainteresse_v2('2023-11-08',null, '2018-05-15', '2019-05-15','par3');
+select * from par.naturezainteresse_v3('2023-11-08',null, '2018-05-15', '2019-05-15','par3');
 
 select * from par.naturezainteresse_v2('2023-11-08',null, '2018-05-15', '2019-05-15');