(1)Subject to subsections (3) to (5), this Act comes into force on such day as the Secretary of State may by regulations appoint.
(2)Regulations under subsection (1) may appoint different days for different purposes.
(3)The following provisions come into force on the day on which this Act is passed—
(a)section 24(5);
(b)section 42;
(c)this Part;
(d)any other provision of this Act so far as is necessary for enabling the exercise on or after the day on which this Act is passed of any power to make regulations.
(4)The following provisions come into force at the end of the period of two months beginning with the day on which this Act is passed—
(a)Part 3;
(b)section 39;
(c)section 43(1) to (4) and (6).
(5)In section 17 —
(a)subsection (3) comes into force at the same time as section 59(2)(a)(i) of the Illegal Migration Act 2023 comes into force;
(b)subsection (5) comes into force at the same time as section 50 of the Border Security, Asylum and Immigration Act 2025 comes fully into force.
(6)The Secretary of State may by regulations make transitional, transitory or saving provision in connection with the coming into force of any provision of this Act.
(7)The power to make regulations under subsection (6) includes power to make different provision for different purposes.
(8)Regulations under this section that bring any provision of Part 1 into force for specified descriptions of cases may in particular—
(a)make provision for all appeals and bail applications relating to a person to be heard by the same body, subject to any exceptions specified in the regulations;
(b)provide for cases for which proceedings have been commenced in the First-tier Tribunal to be transferred to the Independent Immigration Appeals Authority;
(c)require the Upper Tribunal to remit cases on appeal from the First-tier Tribunal to the Independent Immigration Appeals Authority.
(9)Regulations under this section made in connection with the coming into force of any provision of Part 2 may include provision that has retrospective effect.
(10)Regulations under this section are to be made by statutory instrument.