Where a person released on bail under section 30A(1) is on bail subject to conditions, a magistrates' court may, on an application by or on behalf of the person, vary the conditions if—
the conditions have been varied under section 30CA(1) since being imposed under section 30A(3B),
a request for variation under section 30CA(1) of the conditions has been made and refused, or
a request for variation under section 30CA(1) of the conditions has been made and the period of 48 hours beginning with the day when the request was made has expired without the request having been withdrawn or the conditions having been varied in response to the request.
In proceedings on an application for a variation under subsection (1), a ground may not be relied upon unless—
in a case falling within subsection (1)(a), the ground was relied upon in the request in response to which the conditions were varied under section 30CA(1), or
in a case falling within paragraph (b) or (c) of subsection (1), the ground was relied upon in the request mentioned in that paragraph,
but this does not prevent the court, when deciding the application, from considering different grounds arising out of a change in circumstances that has occurred since the making of the application.
Where conditions of bail granted to a person under section 30A(1) are varied under subsection (1)—
paragraphs (a) to (d) of section 30A(3A) apply,
requirements imposed by the conditions as so varied must be requirements that appear to the court varying the conditions to be necessary for any of the purposes mentioned in paragraphs (a) to (d) of section 30A(3B), and
that bail shall not lapse but shall continue subject to the conditions as so varied.
Power under subsection (1) to vary conditions is, subject to subsection (3)(a) and (b), power—
to vary or rescind any of the conditions, and
to impose further conditions.