An appeal under section 82(1)(a) (refusal of protection claim) must be brought on one or more of the following grounds—
that removal of the appellant from the United Kingdom would breach the United Kingdom's obligations under the Refugee Convention;
that removal of the appellant from the United Kingdom would breach the United Kingdom's obligations in relation to persons eligible for a grant of humanitarian protection;
that removal of the appellant from the United Kingdom would be unlawful under section 6 of the Human Rights Act 1998 (public authority not to act contrary to Human Rights Convention).
An appeal under section 82(1)(b) (refusal of human rights claim) must be brought on the ground that the decision is unlawful under section 6 of the Human Rights Act 1998.
An appeal under section 82(1)(c) (revocation of protection status) must be brought on one or more of the following grounds—
that the decision to revoke the appellant's protection status breaches the United Kingdom's obligations under the Refugee Convention;
that the decision to revoke the appellant's protection status breaches the United Kingdom's obligations in relation to persons eligible for a grant of humanitarian protection.