求问，MSC提单由船代签发，信用证要求船东单，是否不符？

3)BILL OF LADING EVIDENCING THAT IT IS ISSUED/SIGNED BY AN

N.V.O.C.C. AND/OR FREIGHT FORWARDER AND/OR CONSOLIDATOR CARRIER

OR ANY OTHER SIMILAR PARTIES,EVEN IN QUALITY OF OR ACTING AS

CARRIER,OWNER OR MASTER, IS NOT ACCEPTABLE.ARTICLE 14.L IS NOT

APPLICABLE FOR THIS L/C.
4)B/LADING TO BE ISSUED BY SHIPPING CO., ON ITS LETTERHEAD,

B/LADING ISSUED ON FORWARDERS LETTERHEAD OR SIGNED BY

FORWARDERS ACTING AS CARRIERS IS NOT ACCEPTABLE.
求问，MSC提单由船代签发，信用证要求船东单，是否不符？ 请大神帮忙，谢谢