http://www.legislation.gov.uk/ukpga/1999/29/section/160Greater London Authority Act 1999An Act to establish and make provision about the Greater London Authority, the Mayor of London and the London Assembly; to make provision in relation to London borough councils and the Common Council of the City of London with respect to matters consequential on the establishment of the Greater London Authority; to make provision with respect to the functions of other local authorities and statutory bodies exercising functions in Greater London; to make provision about transport and road traffic in and around Greater London; to make provision about policing in Greater London and to make an adjustment of the metropolitan police district; and for connected purposes.1999-11-23texttext/xmlenStatute Law Database2026-01-09Expert Participation2026-01-01 Greater London Authority Act 1999s. 334(2A)-(2E)Levelling-up and Regeneration Act 2023s. 95(2)s. 247s. 255(3)(b)Greater London Authority Act 1999s. 334(9)-(11)Levelling-up and Regeneration Act 2023s. 95(3)s. 247s. 255(3)(b)Greater London Authority Act 1999s. 337(1A)Levelling-up and Regeneration Act 2023s. 96(1)(c)s. 96(4) 247s. 255(3)(b)Greater London Authority Act 1999Sch. 23 para. 1(3A)Levelling-up and Regeneration Act 2023s. 244(2)s. 247s. 255(9)(a)Greater London Authority Act 1999Sch. 23 para. 3A 3B and cross-headingLevelling-up and Regeneration Act 2023s. 244(3)s. 247s. 255(9)(a)Greater London Authority Act 1999Sch. 23 para. 4(2A)(2B)Levelling-up and Regeneration Act 2023s. 244(4)s. 247s. 255(9)(a)Greater London Authority Act 1999Sch. 23 para. 4A and cross-headingLevelling-up and Regeneration Act 2023s. 244(6)s. 247s. 255(9)(a)Greater London Authority Act 1999s. 337(2)(ca)Levelling-up and Regeneration Act 2023Sch. 6 para. 15s. 247s. 255(3)(b)Greater London Authority Act 1999Pt. 4 Ch. 8ABus Services Act 2025s. 29s. 41(5)Greater London Authority Act 1999s. 334(2A)(b)Planning and Infrastructure Act 2025s. 58(2)(a)s. 116s. 118(2)(g)Greater London Authority Act 1999s. 334(2D)(b)Planning and Infrastructure Act 2025s. 58(2)(b)s. 116s. 118(2)(g) Part IVChapter II1601Transport for London may guarantee to discharge any financial obligation of—aa subsidiary of Transport for London;bany person (other than such a subsidiary) with whom Transport for London has entered into an agreement by virtue of section 156(2) or (3) above, where the guarantee is given for the purpose of enabling that person to carry out the agreement; orcany person (other than such a subsidiary) with whom such a subsidiary has entered into a transport subsidiary’s agreement, where the guarantee is given for the purpose of enabling that person to carry out the agreement.2Transport for London may, for the purposes of discharging any of its functions, guarantee to discharge any financial obligation incurred or to be incurred by any person for the purposes of—aan undertaking carried on by him; orbwhere the person is a body corporate, an undertaking carried on by a subsidiary of that body corporate.3A guarantee under this section may be subject to such conditions as Transport for London considers appropriate.4Transport for London may enter into arrangements with another person under which that person gives a guarantee which Transport for London has power to give under this section.5Where Transport for London enters into arrangements by virtue of subsection (4) above, the arrangements may provide for Transport for London to indemnify the person who gives the guarantee.6This section is without prejudice to any other power of Transport for London.