Federal Communications Commission "FCC/DA XX-XXX" DA 22-341 Released: April 1, 2022 OFFICE OF ENGINEERING AND TECHNOLOGY OPENS ET DOCKET NO. 22-137 ET Docket No. 22-137 By this Public Notice, the Office of Engineering and Technology opens ET Docket No. 22-137, which is a Notice of Inquiry captioned “Promoting Efficient Use of Spectrum through Improved Receiver Interference Immunity Performance.” Presentations are subject to “permit-but-disclose” ex parte rules. See 47 C.F.R. §§ 1.1206, 1.1200(a). Persons making ex parte presentations must file a copy of any written presentation or a memorandum summarizing any oral presentation within two business days after the presentation (unless a different deadline applicable to the Sunshine period applies). Participants in this proceeding should familiarize themselves with the Commission’s ex parte rules, including the general prohibition on presentations (written and oral) on matters listed on the Sunshine Agenda, which is typically released a week prior to the Commission’s meeting. See 47 CFR §§ 1.1200(a), 1.1203. Accessibility Information. To request materials in accessible formats for people with disabilities (Braille, large print, electronic files, audio format), send an e-mail to fcc504@fcc.gov or call the Consumer and Governmental Affairs Bureau at (202) 418-0530 (voice). Action by Acting Chief, Office of Engineering and Technology. – FCC – 2