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Software developers were required to incorporate a 2D barcode into the Combined Tax Return forms starting with TY 2012 and are still required to do so. 2D barcode specifications are provided on this site.
Disclaimer: This is a tool to assist developers in creating and testing penalty and interest calculations. It is a simplified version of the Combined Tax Returns penalty & interest calculator. The Revenue Bureau cannot fully guarantee calculator accuracy.
Fillable 2019 DRAFT Business Tax Forms for Calculation Testing