reg 22 Prescribed forms: requests and notices
(1) OFCOM— (a) may prescribe, and may from time to time revise, the form in which a request or notice provided for in Part 2 is made or given; (b) must, before prescribing or revising a form, consult such network providers, infrastructure operators and other persons as OFCOM think appropriate; and (c) must publish any prescribed form in such manner as they think appropriate. (2) Where OFCOM have prescribed a form, a network provider, infrastructure operator or rights holder may not make a request or give a notice other than by way of that form.