Federal-Provincial Fiscal Arrangements Act, 1972 — F-8.2 4
 subsection (4.3), that is equal to the product obtained when the actual revenue of all the provinces for the fiscal year commencing on April 1, 1973 that would have been allocated to that revenue source if the definition revenue source set out in this Act as it applied to that particular fiscal year had applied to the fiscal year commencing on April 1, 1973, is multiplied by (i) the quotient obtained when the number representing the volume of net production withdrawals of natural gas in all the provinces for the calendar year ending in that particular fiscal year from lands for which the mineral rights are owned by the Crown in right of any province is divided by the number representing the volume of the net production withdrawals of natural gas in all the provinces for the 1973 calendar year from lands for which the mineral rights are owned by the Crown in right of any province, or (ii) one, if the quotient obtained under subparagraph (i) is less than one; (d) in the case of the revenue source described in paragraph (l.1) of the definition revenue source , the basic revenue from that revenue source for all the provinces for a particular fiscal year is the amount, as determined by the Minister but subject to subsection (4.3), that is equal to the product obtained when the actual revenue of all the provinces for the fiscal year commencing on April 1, 1973 that would have been allocated to that revenue source if the definition revenue source set out in this Act as it applied to that particular fiscal year had applied to the fiscal year commencing on April 1, 1973, is multiplied by (i) the quotient obtained when the number representing the volume of net production withdrawals of natural gas in all the provinces for the calendar year ending in that particular fiscal year from lands for which the mineral rights are held otherwise than by the Crown is divided by the number representing the volume of the net production withdrawals of natural gas in all the provinces for the 1973 calendar year from lands for which the mineral rights are held otherwise than by the Crown, or (ii) one, if the quotient obtained under subparagraph (i) is less than one; and (e) in the case of a revenue source described in paragraph (m) or (n) of the definition revenue source , the basic revenue from that revenue source for all the provinces for a particular fiscal year is the amount, as determined by the Minister but subject to subsection (4.3), that is equal to the product obtained when the actual revenue of all the provinces for the fiscal year commencing on April 1, 1973 that would have been allocated to that revenue source if the definition revenue source set out in this Act as it applied to that particular fiscal year had applied to the fiscal year commencing on April 1, 1973, is multiplied by (i) the quotient obtained when the number representing the aggregate of the basic revenues for all the provinces for that particular fiscal year from the revenue sources described in paragraphs (k) and (l) of the definition revenue source is divided by the number representing the aggregate of the actual revenues that would have been allocated to those revenue sources for all the provinces for the fiscal year commencing on April 1, 1973 if the definition revenue source set out in this Act as it applied to that particular fiscal year had applied to the fiscal year commencing on April 1, 1973, or (ii) one, if the quotient obtained under subparagraph (i) is less than one. Additional revenue determined (4.2) For the purposes of this section, the additional revenue from a revenue source for all the provinces for a particular fiscal year is the amount that is equal to (a) the actual revenue derived by all the provinces in that fiscal year from that revenue source, as determined by the Minister, minus (b) the basic revenue derived by all the provinces for that particular fiscal year from that revenue source. When actual revenue less than basic revenue (4.3) Where the ac