6 C.F.R. § 25.6
(b) Initial Notification. Within 30 days after receipt of an application for a Designation, the Under Secretary his designee shall notify the applicant in writing that:
(c) Review Process.
(1) The Under Secretary or his designee will review each complete application and any included supporting materials. In performing this function, the Under Secretary or his designee may but is not required to:
(2) For Technologies with which a Federal, State, or local government agency already has substantial experience or data (through the procurement process or through prior use or review), the review may rely in part upon such prior experience and, thus, may be expedited. The Under Secretary may consider any scientific studies, testing, field studies, or other experience with the Technology that he deems appropriate and that are available or can be feasibly conducted or obtained, including test results produced by an independent laboratory or other entity engaged to test or verify the safety, utility, performance, in order to assess the effectiveness of the Technology or the capability of the Technology to substantially reduce risks of harm. Such studies may, in the Under Secretary's discretion, include, without limitation:
(d) Action by the Under Secretary. Within 90 days of notification to the Seller that an application for a Designation is complete in accordance with paragraph (b)(1) of this section, the Under Secretary shall take one of the following actions:
(e) Content of Designation.
(1) A Designation shall:
(3) Actions. Within 60 days after the receipt of a complete Procurement Pre-Qualification Request, the Under Secretary shall take one of the following actions:
(4) Contents of Notice. A Pre-Qualification Designation Notice shall contain, at a minimum, the following:
(h) Block Designations.
(2) If the application is approved, commencing on the date of such approval the applicant shall be deemed to be a Seller under the applicable Block Designation for all purposes under the SAFETY Act, this part, and such Block Designation. A Block Designation shall be valid and effective for a term of five to eight years (as determined by the Under Secretary in his discretion) commencing on the date of issuance, and may be renewed or extended by the Under Secretary at his own initiative or in response to an application for renewal submitted by a qualified Seller under such Block Designation in accordance with § 25.6(h). Except as otherwise specifically provided in this paragraph, a Block Designation shall be deemed to be a Designation for all purposes under the SAFETY Act and this part.
(l) Significant Modification of Qualified Anti-terrorism Technologies.
(2) A Seller shall promptly notify the Department and provide details of any change or modification to a QATT that causes the QATT no longer to be within the scope of the Designation or Certification by submitting to the Department a completed “Notice of Modification to Qualified Anti-Terrorism Technology” form issued by the Under Secretary (a “Modification Notice”). A Seller is not required to notify the Department of any change or modification of a particular Qualified Anti-Terrorism Technology that is made post-sale by a purchaser unless the Seller has consented expressly to the modification. The Under Secretary shall make an appropriate form available at http://www.safetyact.gov and by mail upon request sent to: Directorate of Science and Technology, SAFETY Act/room 4320, Department of Homeland Security, Washington, DC 20528. The Department will promptly acknowledge receipt of a Modification Notice by providing the relevant Seller with written notice to that effect. Within 60 days of the receipt of a Modification Notice, the Under Secretary may, in his sole and unreviewable discretion: