s 5 Types 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), ... (b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (4) This section is also subject to section 249 and Schedule 23 (immigration control and formation of civil partnerships).