Jira Code : BGGN-428
Description
There is no record type of Inter Company Purchase orders. The purchase orders which is created from a Inter Company Vendor is basically known as “Inter Company Purchase Orders”
How to create a Inter Company Vendor
A vendor created with a value in the field “Represent Subsidiary” is known as Inter Company Vendor

Then if we create a purchase order with this vendor, then it will treat as an Inter Company Purchase Order in NetSuite.