Article 18 the holder of a negotiable instrument who forfeits his rights thereon by reason of limitation of time or defects in specified particulars on the instrument still has civil rights and he is entitled to demand the drawer or acceptor to make a refund equivalent to the sum in the instrument not yet paid 第十八条持票人因超过票据权利时效或者因票据记载事项欠缺而丧失票据权利的,仍享有民事权利,可以请求出票人或者承兑人返还其与未支付的票据金额相当的利益。