Sales Order Line Tax Classification Code

Dear All,

We are creating order in order management using oe_order_pub.Process_Order API; new business need to add  <Tax Classification Code> item line field; we amend the code as follows:

l_line_tbl(N).tax_code             := 'SALES TAX 16% ( SALES )';

order is created; with sales tax classification code= 'SALES TAX 16% ( SALES );

When We create order with booked status; field is empty; we thought there are issues with API code; but when create order with status = Entered; field is populated with  'SALES TAX 16% ( SALES ); same as we need;

but when booking the order; the Tax Classification Code get empty; reading Booking Order Clears Tax Classification On Sales Order Line (