The document was written in 2012 by representatives from London, Sunderland, Nottingham, and Leeds GICs but isn't specific if the protocol was going to replace it or not. The document says, 'Currently, young people under 18 should be referred in the first instance to the local Child and Adolescent Mental Health Service (CAMHS), for initial assessment of the Gender Dysphoria and possible associated psychological difficulties, such as depression or an autistic spectrum condition.'
I don't know where I found it but I wasn't sure which was more relevant between that document and the protocol and I found the wording to be a bit vague in the protocol so I followed my GP's judgement on it.