(1) When twenty thousand dollars has been credited upon any judgment or judgments rendered in excess of that amount because of bodily injury to or death of one person as the result of any one accident; or
(2) When, subject to such limit of twenty thousand dollars because of bodily injury to or death of one person, the sum of forty thousand dollars has been credited upon any judgment or judgments rendered in excess of that amount because of bodily injury to or death of two or more persons as the result of any one accident; or
(3) When ten thousand dollars has been credited upon any judgment or judgments rendered in excess of that amount because of injury to or destruction of property of others as a result of any one accident.
(b) Provided, however, that payments made in settlement of any claims because of bodily injury, death or property damage arising from such accident shall be credited in reduction of the amounts provided for in this section.