The Social Security (Jersey and Guernsey) Order 1994

(3) Subject to paragraph (5), where a person would be entitled to receive sickness benefit or maternity allowance under the legislation of one Party if he were in the territory of that Party, he shall be entitled to receive that sickness benefit or maternity allowance while he is in the territory of any other Party if:

(a) his condition necessitates immediate treatment during a stay in the territory of that Party and within six days of commencement of incapacity for work, or such longer period as the competent authority may allow, he submits to the competent authority of the former Party a claim for benefit and documentary evidence of incapacity for work issued by the doctor treating him; or

(b) having claimed and become entitled to sickness benefit or maternity allowance under the legislation of the former Party he is authorised by the competent authority of that Party to return to the territory of any other Party where he resides, or to transfer his residence to the territory of any other Party; or

(c) having claimed and become entitled to sickness benefit or maternity allowance under the legislation of the former Party he is authorised by the competent authority of that Party to go to the territory of any other Party to receive there treatment for his condition.

The authorisation required in accordance with sub-paragraph (b) may be refused only if it is established that movement of the person concerned would be prejudicial to his state of health, or to the receipt of medical treatment.