Having completed the comparison of all existing terms with the fundamental and supplementary terms, it is likely there will still be some existing terms of the AST remaining.
Ar ôl cwblhau'r broses o gymharu'r holl delerau presennol â'r telerau sylfaenol ac atodol, mae'n debygol y bydd rhai telerau presennol ar ôl o hyd yn y denantiaeth fyrddaliadol sicr.