(a) AMs—(1) Herring sub-ACLs and ACL—(i) Management area closure. If NMFS projects that catch will reach 92 percent of the annual sub-ACL allocated to a management area before the end of the fishing year, or 92 percent of the Area 1A or Area 1B sub-ACL allocated to a seasonal period as set forth in paragraph (d) of this section, NMFS shall prohibit vessels, beginning the date the catch is projected to reach 92 percent of the sub-ACL, from fishing for, possessing, catching, transferring, or landing more than 2,000 lb (907.2 kg) of Atlantic herring per trip in the applicable area, and from landing herring more than once per calendar day, except as provided in paragraphs (b) and (c) of this section. NMFS shall implement these restrictions in accordance with the APA.