Section 51.6 - Propriety standard of reviewA discharge is deemed to be proper except that:
(a) A discharge may be improper if an error of fact, law, procedure, or discretion was associated with the discharge at the time of issuance which prejudiced the rights of the applicant.(b) A discharge may be improper if there has been a change in policy by the Coast Guard made expressly retroactive to the type of discharge under consideration.