there is big difference on these SMA & HMA.
if you looking to annul your marriage.. HMA have different clauses .
for Annulment :
HMA either spouse MUST be impotent.
SPA never had s*x. very easy to get annul your marriage. [ does not require any phere, marriage is valid ]
registeration of marriage under HMA require Marriage validity [ 5 or 7 phere which is acceptable in your customs ]
for divorce it doesnt matter which law your marriage is register.