In this part—
"forfeiture period" , for a prescribed respondent, means the later of—
(a) a period of 6 months starting on the day of the prescribed respondent’s conviction of a serious criminal offence; or
(b) the 6 months mentioned in paragraph (a) as extended under section 163 ; or
(c) if the prescribed respondent appeals against the conviction and the appeal is not decided within the 6 months after conviction, the period ending when the appeal is finally decided.