Since 23 November 2015, all landlords operating in Wales must become registered. Landlords have a year to comply with this new obligation.
In order to register a landlord must provide accurate and up-to-date information about themselves and their rental properties in Wales.
This new requirement comes from Part 1 of the Housing (Wales) Act 2014
for more information go too https://www.rentsmart.gov.wales/en/landlord/landlord-registration/