Companies Act 1985

33(1)If the net realisable value of any asset referred to in paragraph 32 is lower than its cost the amount to be included in respect of that asset shall be the net realisable value.

(2)Where the reasons for which any provision for diminution in value was made in accordance with sub-paragraph (1) have ceased to apply to any extent, that provision shall be written back to the extent that it is no longer necessary.