An employer must ensure that an employee is placed under medical surveillance, which is overseen by an occupational medicine practitioner, if-
(a) the ergonomic risk assessment referred to in regulation 6 indicates the need for the employee to be placed under medical surveillance; or
(b) an occupational health practitioner recommends that relevant employees must be under medical surveillance, in which case the employer may call upon an occupational medicine practitioner to ratify the appropriateness of such recommendation.