; and (3) provide C–TPAT program participants and other interested parties a 90-day comment period to review and comment on such proposed additional or updated security criteria. (f) Waiver The Commissioner of U.S. Customs and Border Protection may waive the requirements of subsection (e) if the Commissioner determines there is a significant and imminent risk to the national security of the United States and such a waiver is necessary to protect such national security. 214. Benefits for C–TPAT program participants (a) In general The Executive Assistant Commissioner shall extend certain benefits to each C–TPAT program participant. Minimum benefits for all such participants shall include the following: (1) Assignment of a U.S. Customs and Border Protection Supply Chain Security Specialist to each participant. (2) Access to the C–TPAT program’s web-based Portal system and training materials. (3) A periodic and unclassified update on threats to the international supply chain. (b) Public availability The Executive Assistant Commissioner shall make publicly available on the C–TPAT portal an annual assessment of the tangible benefits being realized by C–TPAT program participants. 215. Tier 1 participants (a) Certification The Executive Assistant Commissioner shall certify the security measures and international supply chain security practices of all applicants to and participants in the C–TPAT program in accordance with section 213(b)(2) and the guidelines referred to in subsection (c) of this section. Certified participants shall be Tier 1 participants. (b) Benefits for Tier 1 participants Upon completion of the certification under subsection (a), a C–TPAT program participant shall be certified as a Tier 1 participant. The Executive Assistant Commissioner shall extend limited benefits to a Tier 1 participant. (c) Guidelines Not later than 180 days after the date of the enactment of this subtitle, the Commissioner of U.S. Customs and Border Protection shall update the guidelines and criteria for certifying a C–TPAT