What is Zip Code Cross Ref Maintenance file found in SalesTax II?

Overview

Explanation regarding the Zip Code Cross Ref Maintenance file found in SalesTax II.

SalesTaxII

Avalara will manage standard cross reference data in this file based on updates received directly from

United States Postal Service.
Updates are applied on a monthly basis as part of the update service.
User may ‘tailor’ zip+4 codes in two ways. User may code zip+4 cross reference records as being in the

unincorporated area of a county (a lower tax rate may apply in these areas). User may also code zip+4

cross reference records to point to specific cities (supersede city name input parameter when call

program TCALC).
The Zip Code Cross Ref Maintenance file is based on updates received directly from United States Postal Service. Updates are applied on a monthly basis as part of the update service.

NOTE: Avalara software does not maintain these ‘tailored’ zip+4 codes. It is user’s responsibility to add,

change, or delete them or in the case of a file ‘refresh’ make sure they are placed back in the file. (A file

refresh means we completely replace the file).