diff --git a/include/constant.php b/include/constant.php
index b7d7cc2c2..c11fd1351 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -28,7 +28,7 @@ global $version_noalyss;
 define('NOALYSS_VERSION', 9205 );
 
 // Database schema version 
-define("DBVERSION", 196);
+define("DBVERSION", 197);
 
 // version for MONO_DATABASE
 define("MONO_DATABASE", 25);
diff --git a/include/sql/patch/upgrade196.sql b/include/sql/patch/upgrade196.sql
new file mode 100644
index 000000000..92014f93a
--- /dev/null
+++ b/include/sql/patch/upgrade196.sql
@@ -0,0 +1,65 @@
+begin;
+with correct_periode as (select jr_tech_per, jr_grpt_id from jrn)
+update jrnx set j_tech_per = jr_tech_per from correct_periode where correct_periode.jr_grpt_id=j_grpt and correct_periode.jr_tech_per != j_tech_per;
+
+
+
+ALTER TABLE public.tva_rate ADD tva_code text ;
+ALTER TABLE public.tva_rate ADD CONSTRAINT tva_code_unique UNIQUE (tva_code);
+update tva_rate set tva_code=null;
+
+
+drop VIEW public.v_tva_rate;
+
+CREATE OR REPLACE VIEW public.v_tva_rate
+AS SELECT tva_rate.tva_id,
+          tva_rate.tva_rate,
+          tva_rate.tva_code,
+          tva_rate.tva_label,
+          tva_rate.tva_comment,
+          split_part(tva_rate.tva_poste, ','::text, 1) AS tva_purchase,
+          split_part(tva_rate.tva_poste, ','::text, 2) AS tva_sale,
+          tva_rate.tva_both_side,
+          tva_rate.tva_payment_purchase,
+          tva_rate.tva_payment_sale
+   FROM tva_rate;
+
+CREATE OR REPLACE FUNCTION update_tva_code ()
+    returns int4
+AS
+$BODY$
+declare
+/*
+ * Section for variables
+ */
+    counter int:=0;
+    letter int;
+    x record;
+    e record;
+    str_tva_code text;
+begin
+    -- basic loop
+    for x in select distinct tva_rate  from public.tva_rate order by tva_rate
+        loop
+            letter :=65;
+            for e in select * from public.tva_rate where tva_rate = x.tva_rate loop
+                    str_tva_code := round(e.tva_rate*1000)::text||chr(letter);
+                    update tva_rate set tva_code=str_tva_code where tva_id=e.tva_id;
+                    letter := letter+1;
+                    counter := counter+1;
+                end loop;
+
+        end loop;
+    return counter;
+end;
+$BODY$
+LANGUAGE plpgsql;
+
+select update_tva_code();
+
+drop function update_tva_code();
+alter table public.tva_rate alter tva_code set not null;
+
+ALTER TABLE public.op_predef_detail ALTER COLUMN opd_tva_id TYPE text USING opd_tva_id::text;
+insert into version (val,v_description) values (197,'Adapt for VAT CODE');
+commit;
diff --git a/sql/upgrade.sql b/sql/upgrade.sql
index b2a93704b..92014f93a 100644
--- a/sql/upgrade.sql
+++ b/sql/upgrade.sql
@@ -1,3 +1,4 @@
+begin;
 with correct_periode as (select jr_tech_per, jr_grpt_id from jrn)
 update jrnx set j_tech_per = jr_tech_per from correct_periode where correct_periode.jr_grpt_id=j_grpt and correct_periode.jr_tech_per != j_tech_per;
 
@@ -5,9 +6,8 @@ update jrnx set j_tech_per = jr_tech_per from correct_periode where correct_peri
 
 ALTER TABLE public.tva_rate ADD tva_code text ;
 ALTER TABLE public.tva_rate ADD CONSTRAINT tva_code_unique UNIQUE (tva_code);
-update tva_rate set tva_code=tva_id::text||'-'||(tva_rate*100)::text;
+update tva_rate set tva_code=null;
 
-alter table public.tva_rate alter tva_code set not null;
 
 drop VIEW public.v_tva_rate;
 
@@ -24,9 +24,6 @@ AS SELECT tva_rate.tva_id,
           tva_rate.tva_payment_sale
    FROM tva_rate;
 
--- update tva_rate set tva_code=(round(tva_rate*100))::text||'-'||tva_id::text;
-
-
 CREATE OR REPLACE FUNCTION update_tva_code ()
     returns int4
 AS
@@ -46,8 +43,7 @@ begin
         loop
             letter :=65;
             for e in select * from public.tva_rate where tva_rate = x.tva_rate loop
-                    str_tva_code := round(e.tva_rate*100)::text||chr(letter);
-                    -- raise notice 'rate % letter % => tva_code %',e.tva_rate,chr(letter),str_tva_code		;
+                    str_tva_code := round(e.tva_rate*1000)::text||chr(letter);
                     update tva_rate set tva_code=str_tva_code where tva_id=e.tva_id;
                     letter := letter+1;
                     counter := counter+1;
@@ -62,5 +58,8 @@ LANGUAGE plpgsql;
 select update_tva_code();
 
 drop function update_tva_code();
+alter table public.tva_rate alter tva_code set not null;
 
 ALTER TABLE public.op_predef_detail ALTER COLUMN opd_tva_id TYPE text USING opd_tva_id::text;
+insert into version (val,v_description) values (197,'Adapt for VAT CODE');
+commit;