Ok, I've consulted my law books and various satutes etc and have the answers for you all here:
Copyright, Designs and Patents Act 1988 sections 180 through to 206
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http://www.hmso.gov.uk/acts/acts1988/Ukpga_19880048_en_12.htm#mdiv181Most promotors are full of crap to be blunt. I have appeared on several shows and have never once signed anything agreeing for my likeness/performance to be used in anyway, either on video tapes for sale, websites or upcoming show posters. Furthermore there are NO assumptions in English Law. Reasonable is a very subjective word, however the assumption that a wrestler is agreeing to his work being used for profit for someone other than himself simply by working a show and knowing that cameras are present is absolute nonsense and holds no legal weight whatsoever. The onus is on the promotor to gain the consent of the performer either in writing or on camera and not to expect/assume that the consent is given just because the performer has done what he was booked for.
Furthermore, I have appeared on shows that I have received NO payment for and have then seen distributed in the public domain and have once agan, received NO payment for. As a rookie, Majik is right. Quite often the exposure is more valuable than the pay you could receive but this is NOT a grey area and should NOT be thought of as such.
Although not fully qualified, I feel able to comment on this matter as I have just a couple of modules left on my law degree and am not some teenaged, pimple faced gonk surfing the web spouting statutes I don't understand just in case some of you wondered.