How to update Tax code in R12 using API

Question

Hi,
I am looking for API's to update supplier tax classification code in AP_Suppliers
I can see the who columns get updated by POS_VENDOR_PUB_PKG.UPDATE_VENDOR in AP_Suppliers
but the VAT_CODE is not updated I also checked in ZX_PARTY_TAX_PROFILE table but no changes.
Any idea please suggest , I been asked to realce the 11.5.10 Tax code with the codes define for R12 using maping table,
Lokking for API to update
ap_suppliers.VAT_CODE (supplier)
zx_party_tax_profile tax_classification_code (party level)
ap_supplier_sites_all.VAT_CODE (supplier site level)
zx_party_tax_profile zpt2 (PARTY site level)
Tried the below :script but no use
DECLARE
l_vendor_rec ap_vendor_pub_pkg.r_vendor_rec_type;
l_return_status VARCHAR2(10);
l_msg_count NUMBER;
l_msg_data VARCHAR2(1000);
l_vendor_id NUMBER;
l_party_id NUMBER;
BEGIN
FOR L_CUR IN
(SELECT VENDOR_ID,
VENDOR_NAME,
VAT_CODE AS R11code,
R12CODE
from AP_SUPPLIERS,
BES.XX_TAX_MAPPING_CODES MAPP
WHERE AP_SUPPLIERS.VAT_CODE =MAPP.R11CODE
AND VENDOR_ID like '8994'
AND rownum < 10
LOOP
BEGIN
L_VENDOR_REC.VENDOR_ID:=L_CUR.VENDOR_ID;
L_VENDOR_REC.VAT_CODE :=L_CUR.R12CODE;
L_MSG_COUNT:=null;
L_MSG_DATA:=null;
L_RETURN_STATUS:=NULL;
DBMS_OUTPUT.PUT_LINE('updating status for '||L_CUR.VENDOR_ID ||' FROM '|| L_CUR.R11CODE ||' TO '|| L_CUR.R12CODE);
POS_VENDOR_PUB_PKG.UPDATE_VENDOR( P_VENDOR_REC => L_VENDOR_REC, X_RETURN_STATUS => L_RETURN_STATUS, X_MSG_COUNT => L_MSG_COUNT, X_MSG_DATA => L_MSG_DATA);
dbms_output.put_line('return_status: '||l_return_status);
DBMS_OUTPUT.PUT_LINE('msg_data: '||L_MSG_DATA);
DBMS_OUTPUT.PUT_LINE('l_msg_count: '||L_MSG_COUNT);
IF L_RETURN_STATUS ='S' THEN
COMMIT;
END IF;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('Error while updating '||L_CUR.vendor_id);
END ;
END LOOP;
end;

Answer 1

Hi
Tax code is created in FI only. FTXP is the T-code. Please go thro the documentation on the Tax on Sales/purchases in Financial Accounting Global settings. This is based on Tax calculation procedure and this will be used in MM as well.
S Jayaram