(1) The Board may resolve that a portrait, an other work of art or related material in the national collection be disposed of by sale, exchange, gift or destruction if the Board is satisfied that the portrait, other work of art or related material :
(a) is unfit for that collection; or
(b) is not required as part of that collection.
( 2 ) However, the Board must not resolve that a portrait, an other work of art or related material be disposed of by way of destruction unless the Board is satisfied that the portrait, other work of art or related material has no saleable value.
( 3 ) If the Board has resolved, in accordance with this section, that a portrait, an other work of art or related material be disposed of, the Gallery may dispose of that portrait, other work of art or related material accordingly.
(4) Subsection ( 3) is subject to section 47 (about restrictions on financial transactions) .