; and (B) the class of airspace and any restrictions related to operating near airports or heliports. (2) Publication In carrying out paragraph (1), the Administrator shall ensure that published information is made available in a manner that prevents inappropriate disclosure of proprietary information. (e) Precedential use of previously approved waivers (1) Waiver approval precedent Except as provided in paragraph (3), if the Administrator determines, using criteria for a particular waiver, that an application for a certificate of waiver issued under section 107.200 of title 14, Code of Federal Regulations, is substantially similar (or is comprised of elements that are substantially similar) to an application for a certificate of waiver that the Administrator has previously approved, the Administrator may streamline, as appropriate, the approval of applications with substantially similar conditions and limitations as a previously approved application. (2) Rule of construction Nothing in paragraph (1) shall be construed to preclude an applicant for a certificate of waiver from applying to modify a condition, or remove a limitation of, such certificate. (f) Modification of waivers (1) In general The Administrator shall establish an expedited review process for a request to modify or renew certificates of waiver previously issued under section 107.200 of title 14, Code of Federal Regulations, as appropriate. (2) Use of review process The review process established under paragraph (1) shall be used to review certificates of waiver that cover operations that are substantially similar in all material facts to operations covered under a subsequently issued certificate of waiver.