(1) Each parent of a young person in the required participation phase must ensure the young person is participating full-time in an eligible option, unless the parent has a reasonable excuse.Penalty: Fine not exceeding (a) for a first offence, 5 penalty units; or(b) for a second or subsequent offence, 10 penalty units.(2) Without limiting subsection (1) , it is a reasonable excuse for a parent that (a) the young person primarily resides with another parent and the first parent believes, on reasonable grounds, that the other parent is ensuring that the young person participates full-time in an eligible option; or(b) in all the circumstances, the parent is not reasonably able to control the young person's behaviour to the extent necessary to ensure that the young person participates full-time in an eligible option.(3) Proceedings for an offence against subsection (1) may be brought against a parent (a) only by the Secretary or by a person authorised by the Secretary; and(b) only if the alleged offence occurred after (i) the parent was given a notice under section 16(1)(a) ; and(ii) at least one meeting has been held with the parent under section 16(1)(b) or the parent has been given a warning notice under section 16(2) .(4) The Secretary (families) is not liable to be prosecuted for an offence against subsection (1) in relation to a young person in respect of whom he or she has been granted guardianship under that Act.