7 ( a ) In so far as such matters are governed by laws or regulations or are subject to the control of administrative authorities: remuneration, including family allowances where these form part of remuneration, hours of work, overtime arrangements, holidays with pay, restrictions on home work, minimum age of employment, apprenticeship and training, women's work and the work of young persons, and the enjoyment of the benefits of collective bargaining; ( b ) Social security (legal provisions in respect of employment injury, occupational diseases, maternity, sickness, disability, old age, death, unemployment, family responsibilities and any other contingency which, according to national laws or regulations, is covered by a social security scheme), subject to the following limitations: (i) There may be appropriate arrangements for the maintenance of acquired rights and rights in course of acquisition; (ii) National laws or regulations of the country of residence may prescribe special arrangements concerning benefits or portions of benefits which are payable wholly out of public funds, and concerning allowances paid to persons who do not fulfil the contribution conditions prescribed for the award of a normal pension. 2. The right to compensation for the death of a refugee resulting from employment injury or from occupational disease shall not be affected by the fact that the residence of the beneficiary is outside the territory of the Contracting State. 3. The Contracting States shall extend to refugees the benefits of agreements concluded between them, or which may be concluded between them in the future, concerning the maintenance of acquired rights and rights in the process of acquisition in regard to social security, subject only to the conditions which apply to nationals of the States signatory to the agreements in question. 4. The Contracting States will give sympathetic consideration to extending to refugees so far as possible the benefits of similar agreements which may at any time be in force between such Contracting States and non-contracting States. Chapter V ADMINISTRATIVE MEASURES Article 25. - Administrative assistance 1. When the exercise of a right by a refugee would normally require the assistance of authorities of a foreign country to whom he cannot have recourse, the Contracting States in whose territory he is residing shall arrange that such assistance be afforded to him by their own authorities or by an international authority. 2. The authority or authorities mentioned in paragraph 1 shall deliver or cause to be delivered under their supervision to refugees such documents or certifications as would normally be delivered to aliens by or through their national authorities. 3. Documents or certifications so delivered shall stand in the stead of the official instruments delivered to aliens by or through their national authorities, and shall be given credence in the absence of proof to the contrary. 4. Subject to such exceptional treatment as may be granted to indigent persons, fees may be charged for the services mentioned herein, but such fees shall be moderate and commensurate with those charged to nationals for similar services. 5. The provisions of this article shall be without prejudice to articles 27 and 28.