You enter the default NAIC code for each GRE but you can override this code at assignment level.
You enter the NAIC code for a GRE in the Entering Identification Information window.
Query the GRE in the Organization window.
Select GRE/Legal Entity in the Organization Classifications region.
Choose the Others button and select Employer Identification.
Click in a field of the Additional Organization window to open the Employer Identification Information window.
Select the NAIC code applicable to your organization.
Save your work.