Firstly, there are many separate pieces of legislation applying to renting and secondly, there is also a large amount of common law, some of which dates back over centuries.
Yn gyntaf, mae nifer o ddarnau gwahanol o ddeddfwriaeth ar rentu ac yn ail, mae yna hefyd lawer iawn o gyfraith gyffredin, â pheth ohoni’n mynd yn ôl ganrifoedd.