http://www.legislation.gov.uk/ukla/2016/1/section/5/enactedTransport for London Act 2016King's Printer of Acts of Parliament2021-07-30 5 1 In section 157(1) of the 1999 Act (power of the Secretary of State to specify activities which may not be carried out by TfL except through certain companies limited by shares) for the words from “a company which is limited” to the end substitute— a a limited liability partnership of which a subsidiary of Transport for London (but not Transport for London) is a member; or b a company which is registered under the Companies Act 2006 and limited by shares or limited by guarantee and which is— i a subsidiary of Transport for London; or ii a company which Transport for London formed, or joined with others in forming, by virtue of section 156(1) above and which does not fall within sub-paragraph (i) above. 2 For article 3 of the Transport for London (Specified Activities) Order 2000 (S.I. 2000/1548) (prohibition against carrying on specified activities through companies) substitute— 3 Transport for London shall not carry on any specified activity except through— a a limited liability partnership of which a subsidiary of Transport for London (but not Transport for London) is a member, or b a company which is registered under the Companies Act 2006 and limited by shares or limited by guarantee and which is— i a subsidiary of Transport for London; or ii a company which Transport for London formed, or joined with others in forming, by virtue of section 156(1) of the 1999 Act and which does not fall within sub-paragraph (i) of this paragraph.