Accounting default set up to import PO thru PDOI

All,

version: 11.5.10.2 and 12.1.1

We want to import STANDARD PURCHASE ORDER(PO) from 3rd party appln to Oracle using PDOI. We explored PO_HEADERS_INTERFACE, PO_LINES_INTERFACE and PO_DISTRIBUTIONS_INTERFACE tables. From the 3rd party application, we don't get any accounting details for the PO. When we ran the 'Import Standard PO' concurrent from PO responsibility, we got the error as 'Error: There is no Charge Account ID.' i.e the concurrent expect us to populate PO_DISTRIBUTIONS_INTERFACE.charge_account_id or charge_account_segment fields. According to 'Oracle Manufacturing APIs and Open Interfaces Manual Release 11i Part No. A95955-03', in page # 917 the note says 'we can leave the account