TaxCode V0 in purchase order

Dear Experts,

Currently our client is using the ECC 6. EHP6 TAXINN procedure is using.

Scenario :- 1

Material :- BB27AH30KC10191-01

Plant :- 1000

Vendor :- 100029

Creating the PO for the above combination and maintained the tax code as V1.

The same FV11 is maintained for JMOP is 12% in the combination of Plant / Vendor / Material and the tax code maintain as V1.

Scenario :- 2

Material :- BB27AH30KC10191-01

Plant :- 1000

Vendor :- 100029

Creating the PO for the above combination and maintained the tax code as V0.

The same FV11 is maintained for JMOP is 0% in the combination of Plant / Vendor / Material and the tax code maintain as V0.

For the scenario 2 the JMOP shows 12% in the Purchase order.

Please help to resolve the issue.

Regards,

Prabhakaran M