Article 5 5. (1) No concession granted to private individuals, companies or associations shall involve any form of forced or compulsory labour for the production or the collection of products which such private individuals, companies or associations utilise or in which they trade. 5. (2) Where concessions exist containing provisions involving such forced or compulsory labour, such provisions shall be rescinded as soon as possible, in order to comply with Article 1 of this Convention. Article 6 6. Officials of the administration, even when they have the duty of encouraging the populations under their charge to engage in some form of labour, shall not put constraint upon the said populations or upon any individual members thereof to work for private individuals, companies or associations. Article 7 7. (1) Chiefs who do not exercise administrative functions shall not have recourse to forced or compulsory labour. 7. (2) Chiefs who exercise administrative functions may, with the express permission of the competent authority, have recourse to forced or compulsory labour, subject to the provisions of Article 10 of this Convention. 7. (3) Chiefs who are duly recognised and who do not receive adequate remuneration in other forms may have the enjoyment of personal services, subject to due regulation and provided that all necessary measures are taken to prevent abuses. Article 8 8. (1) The responsibility for every decision to have recourse to forced or compulsory labour shall rest with the highest civil authority in the territory concerned. 8. (2) Nevertheless, that authority may delegate powers to the highest local authorities to exact forced or compulsory labour which does not involve the removal of the workers from their place of habitual residence. That authority may also delegate, for such periods and subject to such conditions as may be laid down in the regulations provided for in Article 23 of this Convention, powers to the highest local authorities to exact forced or compulsory labour which involves the removal of the workers from their place of habitual residence for the purpose of facilitating the movement of officials of the administration, when on duty, and for the transport of Government stores. Article 9