This section applies where a closure notice is in force and the relevant officer or authority is no longer satisfied as mentioned in section 76(1), either—
as regards the premises as a whole, or
as regards a particular part of the premises.
A cancellation notice or a variation notice that relates to a closure notice which was—
issued by a local authority, and
signed as mentioned in section 77(2)(b),
must be signed by the person who signed the closure notice (or, if that person is not available, by another person who could have signed as mentioned in section 77(2)(b)).
A cancellation notice or a variation notice that relates to a closure notice which was—
issued by a local authority, and
extended under section 77(4)(b),
must be signed by the person who signed the extension notice (or, if that person is not available, by another person who could have signed the extension notice).
In this section "the relevant officer or authority" means—
in the case of a closure notice issued by a police officer and not extended under section 77(4)(a), that officer (or, if that officer is not available, another officer of the same or higher rank);
in the case of a closure notice issued by a police officer and extended under section 77(4)(a), the officer who issued the extension notice (or, if that officer is not available, another officer of the same or higher rank);
in the case of a closure notice issued by a local authority, that authority.