On January 2, 2018, the Federal Communication Commission (FCC) published the following document: Use of Spectrum Bands Above 24 GHz for Mobile Radio Services.
In this document, the FCC adopts rules for specific millimeter wave bands above 24 GHz; a proposed rule document for the Second Further Notice of Proposed Rule-making (Second FNPRM). This new rule comes into effect on February 1, 2018, except for Sec 25.136.
The Commission will publish a document in the Federal Register announcing the effective date for Sec 25.136.