Despite the transfer by virtue of section 53 of any function under—
the function shall be exercisable by a Minister of the Crown as well as by the Scottish Ministers.
Despite the transfer of any other function by virtue of section 53, the function shall, if subordinate legislation so provides, be exercisable (or be exercisable so far as the legislation provides) by a Minister of the Crown as well as by the Scottish Ministers.
Subordinate legislation under subsection (2) may not be made so as to come into force at any time after the function in question has become exercisable by the Scottish Ministers.
Any power referred to in section 53(2)(a) to establish, maintain or abolish a body, office or office-holder having functions which include both—
shall, despite that section, be exercisable jointly by the Minister of the Crown and the Scottish Ministers.
In subsection (4), "office-holder" includes employee or other post-holder.