; and (4) carry out other duties and powers prescribed by the Executive Assistant Commissioner. 212. Eligible entities and notice of benefits (a) Eligible entities (1) In general Importers, exporters, customs brokers, forwarders, air, sea, and land carriers, contract logistics providers, and other entities in the international supply chain and intermodal transportation system are eligible to apply for participation in the CTPAT program. (2) Expansion The Commissioner may expand the list of entities eligible to apply for CTPAT participation only in accordance with the purpose of the CTPAT program. (b) Tiered participation (1) In general Applicants specified in subsection (a) may be eligible to participate as Tier 1 or Tier 2 participants. (2) Importers Importers may be eligible to participate as Tier 3 participants. (3) Extension The Commissioner may extend Tier 3 participation to other entity types, if appropriate, and to specific Tier 2 CTPAT program participants in accordance with section 217(b). (c) Notice of benefits (1) In general The Commissioner shall publish, on the U.S. Customs and Border Protection website and through other appropriate online publication, information about benefits available under each tier of the CTPAT program. (2) Changes The Commissioner shall publish, on the U.S. Customs and Border Protection website and through other appropriate online publication, notice of any changes to benefits available under each tier of the CTPAT program not later than 30 days before any such changes take effect. 213. Participation eligibility (a) In general The Executive Assistant Commissioner shall review all documentation submitted by an applicant pursuant to subsection (b)(2), conduct a background investigation of such applicant, and vet such applicant. (b) General requirements To be eligible for participation in the CTPAT program, an entity shall, at a minimum— (1) have a designated company employee authorized to bind such entity who is a direct company employee and will serve as the primary point of