You can apply by either filling in the online CTS form on the BCMS website (external link) or by phoning the CTS self service line:
Gallwch ymgeisio naill ai drwy lenwi ffurflen ar-lein y System Olrhain Gwartheg sydd o wefan BCMS neu drwy ffonio llinell hunanwasanaeth y System Olrhain Gwartheg: