Travel and subsistence expenses incurred by members, observers and experts, in connection with the activities of the group, shall be reimbursed by the Commission in accordance with the provisions in force within the Commission. Their functions shall not be remunerated. Nevertheless, the Commissioner responsible for enterprise policy may decide that members, observers or experts who are employed by a small or medium-sized enterprise2, may also be compensated for the costs resulting from preparatory work and of being away from their enterprise, by a fixed allowance of EUR 500 a day, to a maximum of 10 days a year.