The fact that services provided for an individual are or could be provided under arrangements made for the purposes of this Part does not affect—
except to the extent that regulations provide otherwise.
A person who provides services under arrangements made for the purposes of this Part must not take any payment in respect of the services apart from—
Regulations may provide that the withdrawal of a determination that an individual qualifies for prescribed services under this Part does not affect the right of any person who has provided such services to the individual under arrangements made for the purposes of this Part to remuneration for work done before the date of the withdrawal.