6 C.F.R. § 25.9
(b) Initial notification. Within 30 days after receipt of an application for a Certification, the Under Secretary or his designee shall notify the applicant in writing that:
(c) Review process. The Under Secretary or his designee will review each complete application for a Certification and any included supporting materials. In performing this function, the Under Secretary or his designee may, but is not required to:
(d) Action by the Under Secretary.
(1) Within 90 days after receipt of a complete application for a Certification, the Under Secretary shall take one of the following actions:
(f) Content and term of certification; renewal.
(1) A Certification shall:
(j) Block Certifications.
(1) From time to time, the Under Secretary, in response to an application submitted pursuant to § 25.9(a) or at his own initiative, may issue a Certification that is applicable to any person, firm or other entity that is a qualified Seller of the Approved Product for Homeland Security described in such Certification (a “Block Certification”). All Block Certifications shall be published by the Department within ten days after the issuance thereof at http://www.safetyact.gov, and copies may also be obtained by mail by sending a request to: Directorate of Science and Technology, SAFETY Act/room 4320, Department of Homeland Security, Washington, DC 20528. Any person, firm, or other entity that desires to qualify as a Seller of an Approved Product for Homeland Security under a Block Certification shall complete only such portions of the application referenced in § 25.9(a) as are specified in such Block Certification and shall submit such application to the Department in accordance with § 9(a). Applicants seeking to be qualified Sellers of an Approved Product for Homeland Security pursuant to a Block Certification will receive expedited review of their applications and shall not be required to provide information with respect to the technical merits of the Approved Product for Homeland Security that has received Block Certification. Within 60 days (or such other period of time as may be specified in the applicable Block Certification) after the receipt by the Department of a complete application, the Under Secretary shall take one of the following actions: