Section 4A. If the first required installment of estimated tax is paid after the fifteenth day of the third month of the taxable year and is required by section four to be paid on or before the fifteenth day of the sixth month of the taxable year, sixty-five percent of the estimated tax shall be paid; the second required installment shall be paid on or before the fifteenth day of the ninth month of the taxable year and shall be equal to twenty-five percent of the estimated tax; and the last installment shall be paid on or before the fifteenth day of the twelfth month of the taxable year and shall be equal to the remaining ten percent of the estimated tax.
If the first required installment of estimated tax is paid after the fifteenth day of the sixth month of the taxable year and is required by section four to be paid on or before the fifteenth day of the ninth month of the taxable year, ninety percent of the estimated tax shall be paid; and the last installment shall be paid on or before the fifteenth day of the twelfth month of the taxable year and shall be equal to the remaining ten percent of the estimated tax.
If the first required installment of estimated tax is paid after the fifteenth day of the ninth month of the taxable year and is required by section four to be paid on or before the fifteenth day of the twelfth month of the taxable year, the estimated tax shall be paid in full on or before the fifteenth day of the twelfth month of the taxable year.
Structure Massachusetts General Laws
Part I - Administration of the Government
Chapter 63b - Declaration of Estimated Tax by Corporations
Section 2 - Payment of Estimated Tax by Corporations
Section 3 - Interest on Underpayment of Estimated Taxes; Installment Payments
Section 4 - Time for Payment of First Installment
Section 4a - Amount and Time of Installment Payments
Section 4b - First Year Corporations With Less Than Ten Employees; Installment Payments
Section 5 - Credit Against Taxes
Section 7 - Taxable Years of Less Than Twelve Months
Section 10 - Addition of Tax or Penalty; Assessment and Collection