What is the Accounting Treatment and configuration for PO without material number

[Former Member]

What is the Accounting Treatment and Configuration for PO without material number? My purchasing team is creating PO without material number using account assignment K and charge the expenses to cost center. But I notice the GR/IR account posted to GR transaction and IR transaction is not the same. I guess is missing configuration. Should I configure the account determination of GR and IR based on Material Group and Valuation Class? And what is the correct accounting treatment for both GR and IR?

[BijayKumarBarik]

GR/IR account posted GR transaction and IR transaction are not same?

Refer options to have different GR/IR clearing accounts

Different GR/IR clr A/c