Withholding Tax > WH Tax Code Dropdown is Empty on a Vendor Record

Solution:

A.  Make sure that Withholding Tax Types is set up with Liability/Purchase Tax Account and Asset/Sales Tax Account.

    1. Navigate to Setup > Withholding tax > Tax Types

    2. Click the Tax Type

    3. Define  Liability/Purchase Tax Account and Asset/Sales Tax Account

    4. Click Save

B. These Tax accounts should be available for the subsidiary selected on the Vendor Record

    1. List > Acccounting > Accounts

    2. Click Edit next to the tax account

    3. Make sure that the correct subsidiary is selected on the Subsidiary field.