For months we’ve all been waiting for the Tax Department to issue guidance on New York’s new Pass-Through Entity Tax (PTET), since the legislation passed in April 2021. And with the deadline to elect into the tax on October 15, 2021, little details—like how to actually make the election—remained up in the air! We did our part, with a recent article in Tax Notes State asking and answering some FAQs, but finally yesterday the Tax Department issued its own guidance, in the form of a technical services memo, entitled TSB-M-21(1)C, (1).