employment obligation period means, subject to section 103(2) and (3), an aggregate period of 52 weeks, whether or not consecutive, in respect of which a worker has an incapacity for work resulting from or materially contributed to, by the injury to which the medical certificate The first medical certificate is for a maximum of 14 days and can only be issued by a registered medical practitioner. or claim relates, beginning on the date on which the employer—
- receives from the worker a medical certificate issued in accordance with section 25(1) or
- receives a claim for compensation from the worker in the form of weekly payments or
- is notified by the Authority that the worker has made a claim for compensation in the form of weekly payments or
- is notified by the Authority that the worker has provided the Authority with a medical certificate issued in accordance with section 25(1)—
whichever is earliest.