5Types of pre-registration procedure
(1)Two people may register as civil partners of each other under—
(a)the standard procedure;
(b)the procedure for house-bound persons;
(c)the procedure for detained persons;
(d)the special procedure (which is for cases where a person is seriously ill and not expected to recover).
(2)The procedures referred to in subsection (1)(a) to (c) are subject to—
(a)section 20 (modified procedures for certain non-residents);
(b)Schedule 3 (former spouses one of whom has changed sex).
(3)The procedures referred to in subsection (1) (including the procedures as modified by section 20 and Schedule 3) are subject to—
(a)Part 2 of Schedule 1 (provisions applicable in connection with prohibited degrees of relationship), and
(b)Parts 2 and 3 of Schedule 2 (provisions applicable where proposed civil partner is under 18).
(4)This section is also subject to section 249 and Schedule 23 (immigration control and formation of civil partnerships).