This section applies if—
a person is extradited to the United Kingdom from a category 1 territory in pursuance of a Part 3 warrant;
the person consented to his extradition to the United Kingdom in accordance with the law of the category 1 territory.
Section 146(2) does not apply if the conditions in subsection (3) or the conditions in subsection (4) are satisfied.
The conditions are that—
under the law of the category 1 territory, the effect of the person's consent is to waive his right under section 146(2);
the person has not revoked his consent in accordance with that law, if he is permitted to do so under that law.
The conditions are that—
under the law of the category 1 territory, the effect of the person's consent is not to waive his right under section 146(2);
the person has expressly waived his right under section 146(2) in accordance with that law;
the person has not revoked his consent in accordance with that law, if he is permitted to do so under that law;
the person has not revoked the waiver of his right under section 146(2) in accordance with that law, if he is permitted to do so under that law.