3.—(1) Subject to paragraphs (2) and (3), no person shall—
(a)supply by way of sale for any purpose, or
(b)use in connection with any trade or business or manufacturing process,
lead carbonate or lead sulphate which is intended for use as paint, or any substance so intended of which lead carbonate or lead sulphate forms a constituent.
(2) Paragraph (1) (a) shall not apply to the supply of paste or paint which is ready for use and—
(a)is supplied for use in the restoration or maintenance of an historic building, or of a fine or decorative work of art, where it is required to restore or maintain historic textures or finishes,
(b)is supplied not earlier than three weeks after the supplier has given the competent authority a completed declaration made in the form set out in the Schedule to these Regulations, and
(c)is supplied in accordance with that declaration.
(3) Paragraph (1) (b) shall not apply to the use of paste or paint which is ready for use and—
(a)was supplied to the user before these Regulations came into force, or
(b)was supplied to the user in accordance with these Regulations, and—
(i)is used in accordance with the declaration in accordance with which they were so supplied, or
(ii)is used, not earlier than three weeks after the user has given to the competent authority a further completed declaration made in the form set out in the Schedule to these Regulations, in accordance with that further declaration.