certified copy
noun[C]
ukuspluralcertified copies(alsoattested copy)acopyof adocumentthat can be usedinsteadof theoriginalone because anofficialhascheckedit andformallyapprovedit as atrueandaccuratecopybysigningit:
Toopenanaccount, somebanksdemandacertifiedcopyofyourpassportandproofofaddress.