These Regulations amend the Wireless Telegraphy (Licence Charges for the 900 MHz frequency band and the 1800 MHz frequency band) (Amendment and Further Provisions) Regulations 2015 (S.I. 2015/1709) (the “principal Regulations”), which revised the level of fees payable to the Office of Communications (“OFCOM”) in respect of the licences of the Public Wireless Networks licence class granted under section 8 of the Wireless Telegraphy Act 2006 (c. 36) for the use of the frequencies in the bands 880.0–960.0 MHz and 1710.0–1880.0 MHz.