It's started by Marc Abraham (@Marcthevet) and @Pupaid and is here: epetitions.direct.gov.uk/petitions/49528
with more info here if you want it.
If you're getting a puppy, it's very important to see the mum, and preferably both parents. There are lots of threads on here with advice about finding a good breeder or rescue; unfortunately pups from puppy farms are raised in deplorable conditions and often have health and behavioural problems.