1-A.Federal extension. When an individual, estate or trust is granted an extension of time within which to file a federal income tax return for any taxable year, an extension to file the taxpayer's income tax return with respect to the tax imposed by this Part is automatically granted for an equivalent period from the date prescribed for filing the return. When a taxable corporation or a financial institution subject to the tax imposed by chapter 819 is granted an extension of time within which to file its federal income tax return for any taxable year, an extension to file the taxpayer's income tax or franchise tax return with respect to the tax imposed by this Part is automatically granted for an equivalent period from the date prescribed for filing the return plus 30 days. [2023, c. 441, Pt. C, §7(AMD); 2023, c. 441, Pt. C, §11(AFF).]