CREDIT AVAILABLE WITH ISSUING BANK BY DEFERRED PAYMENT AT 90

CREDIT AVAILABLE WITH ISSUING BANK BY DEFERRED PAYMENT AT 90 DAYS AFTER SIGHT.BY DEFERRED PAYMENT AT 90 DAYS AFTER SIGHT有这种说法吗?如果不对为什么?正确的是：还是应该是BY ACCEPTANCE AT 90 DAYS AFTER SIGHT或者是BY DEFERRED PAYMENT AT 90 DAYS AFTER B/L DATE?谢谢