Myles Jackman, a UK-based obscenity lawyer, said urinating (known as watersports) will only be acceptable if not performed onto another person or consumed.
You can read more about the new rules surrounding what is now deemed acceptable on his blog. Those hit the hardest by the changes will be independent UK porn producers, particularly those producing BDSM, LBGT and female-dominatrix focused pornography.
On Tuesday 1 December, the Audiovisual Media Services Regulations 2014 introduced a series of restrictions on the pornography produced and sold in the UK.
This means some sex acts have been banned from content produced and sold in Britain.
Here is a quick guide to what actually happened today and how it affects what porn people can consume. Pornography produced in the UK was effectively censored on Tuesday after an amendment was made to the 2003 Communications Act.