9. (1) Subject to subsections (3) and (4), all of the law in this Act in relation to private companies limited by shares is to be found in Parts 1 to 14 (or instruments under them) and Schedules 1 to 6.

(2) Subject to subsection (3), all of the law in this Act in relation to other types of company is to be found amongst the provisions of—

F12[(a) Parts 16 to 26 (or instruments under them) and Schedules 7 to 18; and]

(b) Parts 1 to 14 (or instruments under them) and Schedules 1 to 6 as applied or adapted by Parts 16 to 25.

(3) Part 15 (Functions of Registrar and of regulatory and advisory bodies) applies to both—

(a) private companies limited by shares; and

(b) other types of company,

as well as to certain undertakings to which F13[the European Union (Qualifying Partnerships: Accounting and Auditing) Regulations 2019] apply.

(4) Exceptionally, provisions either—

(a) of a miscellaneous nature arising out of the relationship between a private company limited by shares and another company type (such as provisions for re-registration); or

(b) which it would not otherwise be practicable to include in Parts 1 to 14 (such as provisions for a merger between a public limited company and a private company limited by shares), will be found in F12[Parts 16 to 26].

(5) References in Chapter 6 of Part 2, however expressed, to this Part and Parts 2 to 15 having application to a private company limited by shares shall not be read as excluding the application to such a company of provisions of the kind mentioned in subsection (4).