23.—(1) Commission Regulation (EU) No 874/2012 continues to have effect (notwithstanding the revocation of this Regulation by regulation 19(c)) in relation to a light source where—
(a)the light source is placed on the market before 1st October 2021; and
(b)the existing label on, or displayed in relation to, the light source has not been replaced by a rescaled label in accordance with regulation 17(2).
(2) Regulation 21 (consequential amendments in relation to the Energy Information Regulations 2011) does not have effect in relation to a light source to which paragraph (1) applies.