It will be illegal to own an American Bully XL type dog if it is not registered on the Index of Exempted Dogs from February the 1st.
Around 4,000 people have already applied for a Certificate of Exemption for their pet.
Sophie Coulthard from Putney is a member of the campaign group, Don’t Ban Me, Licence Me.
You can find out more about the new law and how to comply dogstrust.org.uk.