Section 8 Alterations and extensions.

If while a general safety certificate is in operation with respect to a F1sports ground it is proposed to alter or extend that sports ground or any of its installations, and the alteration or extension is likely to affect the safety of persons at the sports ground, the holder of the certificate shall, before the carrying out of the proposals is begun, give notice of the proposals to the local authority.

Subsection (1) above in particular requires notice when it is proposed to alter the entrances to or exits from a sports ground or any part of it (including any means of escape in case of fire or other emergency) or the means of access to any such entrances or exits.