c call for meaning in English

邀请；要求，需要

The s / c stipulates for shipment during april / may , while your l / c calls for shipment in april
销售确认书规定4 / 5月间装船，而你方信用证则要求4月装船。
Your l / c calls for an insurance amount for 130 % of the invoice value . such being the case , we would request you to amend the insurance clause
你方开立的信用证要求按发票金额的130 %投保。有鉴于此，我方要求贵方修改保险条款。