410.321—Determination of relationship; surviving divorced wife.
An individual will be considered to be the surviving divorced wife of a deceased miner if her marriage to such miner had been terminated by a final divorce on or after the 20th anniversary of the marriage: Provided, That, if she was married to and divorced from him more than once, she was married to him in each calendar year of the period beginning 20 years immediately before the date on which any divorce became final and ending with the year in which that divorce became final.