50 Liability of members of reserve forces under call-out orders.U.K.
(1)Members of a reserve force are liable to be called out under this Part for permanent service when any call-out order authorising the calling out of those members is in force.
(2)A call-out order authorises, subject to subsection (3), the calling out under this Part—
(a)of any members of a reserve force; or
(b)if the order is so limited, of any members of a reserve force of a description specified in the order;
and for the purposes of paragraph (b) a group of members of a force may be described by reference to the unit or body of the force to which they belong or any other criterion.
(3)A call-out order does not authorise the calling out under this Part of any person who is not liable to be called out under the order by virtue of regulations under section 62 or an exemption granted on an application under regulations under section 78.
(4)A person who is in service under a call-out order shall serve until released from that service under section 60.
(5)A person who is released from a period of service under a call-out order is, subject to the provisions of this Act, liable to be called out again on the authority of the same or any other call-out order.
(6)The number of persons who are in service under a call-out order shall not be reckoned in any numbers for the time being authorised by Parliament for any of the regular services.