(1) If the Authority or a self-insurer determines that payment for professional services was obtained by a worker fraudulently, the Authority or self-insurer may terminate payment of those professional services by giving to the worker, within 7 days after the determination is made, written notice stating—
(a) the date on which; and
(b) the grounds on which—
the determination was made.
(2) The termination of payment of professional services under subsection (1) takes effect from the date of the determination.