Section 36. Payments of estimated tax

-- (a)  General.-- The estimated tax
  with respect to which  a  declaration  is  required  shall  be  paid  as
  follows:
    (1)  If  the  declaration is filed on or before April fifteenth of the
  taxable  year,  the  estimated  tax  shall  be  paid   in   four   equal
  installments.    The  first installment shall be paid at the time of the
  filing of the declaration, and the second, third and fourth installments
  shall be paid on the following June fifteenth, September fifteenth,  and
  January fifteenth, respectively.
    (2)  If  the  declaration is filed after April fifteenth and not after
  June fifteenth of the taxable year, and is not required to be  filed  on
  or  before  April fifteenth of the taxable year, the estimated tax shall
  be paid in three equal installments.   The first  installment  shall  be
  paid  at  the  time of the filing of the declaration, and the second and
  third installments shall be paid on the  following  September  fifteenth
  and January fifteenth, respectively.
    (3)  If  the  declaration  is filed after June fifteenth and not after
  September fifteenth of the taxable year, and is not required to be filed
  on or before June fifteenth of the taxable year, the estimated tax shall
  be paid in two equal installments.  The first installment shall be  paid
  at  the  time  of the filing of the declaration, and the second shall be
  paid on the following January fifteenth.
    (4) If the declaration is  filed  after  September  fifteenth  of  the
  taxable  year,  and  is  not required to be filed on or before September
  fifteenth of the taxable year, the estimated tax shall be paid  in  full
  at the time of the filing of the declaration.
    (5) If the declaration is filed after the time prescribed therefor, or
  after  the expiration of any extension of time therefor, paragraphs two,
  three and four of this subdivision shall not apply, and there  shall  be
  paid  at  the  time  of  such  filing  all installments of estimated tax
  payable at or before such time, and the remaining installments shall  be
  paid at the times at which, and in the amounts in which, they would have
  been payable if the declaration had been filed when due.
    (b)  Farmers.--If  an  individual  referred  to  in subdivision (e) of
  section  thirty-five  (relating  to  income  from   farming)   makes   a
  declaration  of  estimated  tax after September fifteenth of the taxable
  year and on or before the following January fifteenth, the estimated tax
  shall be paid in full at the time of the filing of the declaration.
    (c) Amendments of declaration.--If any amendment of a  declaration  is
  filed, the remaining installments, if any, shall be ratably increased or
  decreased  (as  the  case may be) to reflect any increase or decrease in
  the estimated tax by reason of such amendment, and if any  amendment  is
  made  after September fifteenth of the taxable year, any increase in the
  estimated tax by reason thereof shall be paid at the time of making such
  amendment.
    (d) Application to short taxable year.--This section shall apply to  a
  taxable  year  of less than twelve months in accordance with regulations
  of the administrator.
    (e) Fiscal year.--This section shall apply to  a  taxable  year  other
  than  a  calendar  year by the substitution of the months of such fiscal
  year for the corresponding months specified in this section.
    (f) Installments paid in advance.--An individual may elect to pay  any
  installment  of  his  estimated tax prior to the date prescribed for its
  payment.
    (g) Cross reference.--For taxpayers with taxable years beginning prior
  to the date this local law becomes operative, see section forty-one.