12. Yn rheol B1(pensiwn cyffredin)—
(a)ym mharagraff (2)(a), yn lle “joining another brigade”, rhodder “taking up employment with another fire and rescue authority”; a
(b)ym mharagraff (2)(b)—
(i)yn lle “fire authority”, rhodder “fire and rescue authority”; a
(ii)yn lle “chief officer”, rhodder “chief fire officer”.