▁in ▁ 1 9 2 8 . ▁There ▁is ▁not ▁much ▁difference ▁in ▁the ▁article ▁ 3 8 ▁of ▁the ▁law ▁on ▁Civil ▁Reg istration ▁in ▁ 1 9 4 0 , ▁but ▁there ▁is ▁another ▁article ▁( 4 3 ) ▁that ▁says ▁" If ▁the ▁couple ▁separate ▁leg ally , ▁maintain ing ▁husband ' s ▁surname ▁is ▁allowed ▁if ▁the ▁husband ▁allows , ▁and ▁if ▁the ▁husband ▁has ▁taken ▁wife ' s ▁family ▁name , ▁maintain ing ▁wife ' s ▁surname ▁is ▁allowed ▁if ▁the ▁wife ▁allows ." ▁In ▁the ▁last ▁related ▁article ▁( the ▁article ▁ 4 2 ▁of ▁the ▁law ▁on ▁Civil ▁Reg istration ▁in ▁ 1 9 7 6 ) ▁the ▁same ▁thing ▁is ▁said ▁about ▁wife ' s ▁surname ▁change , ▁but ▁it ▁is ▁silent ▁about ▁husband ' s ▁surname ▁change . ▁▁ ▁Currently , ▁it ▁is ▁very ▁unusual ▁that ▁either ▁sp ouse ▁change ▁his / her ▁surname ▁after ▁marriage ▁in ▁Iran . ▁ ▁Japan ▁Japanese ▁law ▁does ▁not ▁recognize ▁married ▁cou ples ▁who ▁have ▁different ▁s urn ames ▁as ▁law ful ▁husband ▁and ▁wife , ▁which ▁means ▁that ▁ 9 6 % ▁of ▁married ▁Japanese ▁women ▁take ▁their ▁husband ' s ▁surname . ▁In ▁ 2 0 1 5 , ▁the ▁Japanese ▁Supreme ▁Court ▁u ph eld ▁the ▁name - change ▁law , ▁r uling ▁that ▁it ▁was ▁not ▁un const itution al , ▁not ing ▁that ▁women ▁could ▁use ▁inform ally ▁their ▁ma iden ▁names , ▁and ▁stating ▁that ▁it ▁was ▁the ▁parliament ari ans ▁who