725.207—Determination of dependency; divorced spouse.
         For the purpose of augmenting benefits, an individual who is the miner's divorced spouse ( § 725.206) will be determined to be dependent upon the miner if:
    
    
        
        (a) 
         The individual is receiving at least one-half of his or her support from the miner (see  § 725.233(g) ); or
    
    
        
        (b) 
         The individual is receiving substantial contributions from the miner pursuant to a written agreement (see  § 725.233(c) and (f) ); or
    
    
        
        (c) 
         A court order requires the miner to furnish substantial contributions to the individual's support (see  § 725.233(c) and (e) ).