Setup for using multiple BI Publisher Check Forms

We are upgrading to PS ver. 9.2 Tools 8.53 and are converting from Crystal to BI Publisher Check1 forms for AP check printing.  Checks are cut from a US bank and a foreign bank, each with their own check format requirements.  I have modified the delivered BI Publisher CHECK1_CHECK.rtf file to meet the requirements for each bank and saved them as separate files.  Since the template files associated to the CHECK1_CHECK template are effective-dated, I have had to manually upload the appropriate template file in order to test both new check forms.  Does anyone know the configuration/code changes that need