20 CFR § 615.6 - Extended Benefits; weekly amount.
(a) Total unemployment.
(1) The weekly amount of Extended Benefits payable to an individual for a week of total unemployment in the individual's eligibility period shall be the amount of regular compensation payable to the individual for a week of total unemployment during the applicable benefit year. If the individual had more than one weekly amount of regular compensation for total unemployment during such benefit year, the weekly amount of extended compensation for total unemployment shall be one of the following which applies as specified in the applicable State law:
(i) The average of such weekly amounts of regular compensation,
(2) If the method in paragraph (a)(1)(iii) of this section is adopted by a State, the State law shall specify how such amount is to be computed. If the method in paragraph (a)(1)(i) of this section is adopted by a State, and the amount computed is not an even dollar amount, the amount shall be raised or lowered to an even dollar amount as provided by the applicable State law for regular compensation.
(b) Partial and part-total unemployment. The weekly amount of Extended Benefits payable for a week of partial or part-total unemployment shall be determined under the provisions of the applicable State law which apply to regular compensation, computed on the basis of the weekly amount of Extended Benefits payable for a week of total unemployment as determined pursuant to paragraph (a) of this section.