The office of a member of Parliament becomes vacant— (a) if the member dies; (b) if, during any session of Parliament, the member is absent from eight sittings of the relevant House without permission, in writing, from the Speaker, and is unable to offer a satisfactory explanation for the absence to the relevant committee; (c) if the member is otherwise removed from office under this Constitution or legislation enacted under Article 80; (d) if the member resigns from Parliament in writing to the Speaker; (e) if, having been elected to Parliament— (i) as a member of a political party, the member resigns from that party or is deemed to have resigned from the party as determined in accordance with the legislation contemplated in clause (2); or (ii) as an independent candidate, the member joins a political party; (f) at the end of the term of the relevant House; or (g) if the member becomes disqualified for election to Parliament under Article 99 (2) (d) to (h). (3) Parliament shall enact legislation providing for the circumstances under which a member of a political party shall be deemed, for the purposes of clause (1) (e), to have resigned from the party.