13.403—Eligibility: Experience.
        
        (1) 
         Evidence of at least 90 days of deck service on tankships or self-propelled tank vessels certified to carry DL or LG appropriate to the endorsement applied for; or
    
    
        
        (2) 
         A certificate of completion from a course in DL or LG appropriate for the endorsement applied for as prescribed in  § 13.409.
    
    
        
        (b) 
         Each applicant already holding an MMD or MMC endorsed “Tankerman-Assistant” for DL and seeking one for LG, or the converse, shall—
    
    
    
        
        (2) 
         Meet the requirement of a course in DL or LG appropriate for the endorsement applied for as prescribed in  § 13.409.
    
    [CGD 79-116, 60 FR 17142, Apr. 4, 1995, as amended by CGD 79-116, 62 FR 25134, May 8, 1997; USCG-2006-24371, 74 FR 11260, Mar. 16, 2009]