g. general arts and crafts activities. In all cases, service providers must ensure that parents are aware that their agreement to additional hours or to any optional charge is not compulsory, and that agreement to additional hours or optional charges is not a condition of initial or continued enrolment (except in the case of full-time or part-time services as outlined above). In addition, appropriate programme-based activities must be provided to children not participating in an optional activity where such activities take place during the required period of pre-school provision. Booking deposits may be taken from parents provided that the required deposit does not exceed four times the weekly capitation fee applicable to the service, and provided it is repaid to parents by the end of October of the pre-school year the child is participating in where the child has been confirmed as being entitled to participate in the programme). The service provider.