Communications Act of 2003
British Standard 8878 (BS 8878)
Subtitling best practices from the Authority for Television on Demand (ATVOD)
Broadcasting Act of 1990
Code on Television Access Services
The Office of Communications (Ofcom)
Equality Act of 2010 (EQA)
Code of Guidance on Standards for Subtitling
WCAG 2.0 Level AA guidelines