E-Signature

Form 8879-TA: What CPAs Need to Know About E-File Signature Authorization

Form 8879-TA is the IRS e-file authorization form specific to trusts and estates, yet it remains one of the most poorly documented forms in the 8879 series. This guide covers exactly when 8879-TA applies, how it differs from Form 8879 and other variants, a step-by-step walkthrough for accurate completion, and how modern practice management platforms like TaxScout automate the collection and storage of signed forms at scale.