Article 9
Information and records Member States shall ensure that: (a) mobile workers are informed of the relevant national requirements, the internal rules of the undertaking and agreements between the two sides of industry, in particular collective agreements and any company agreements, reached on the basis of this Directive, without prejudice to Council Directive 91/533/EEC of 14 October 1991 on an employer's obligation to inform employees of the conditions applicable to the contract or employment relationship(6); (b) without prejudice to Article 2(1), the working time of persons performing mobile road transport activities is recorded. Records shall be kept for at least two years after the end of the period covered. Employers shall be responsible for recording the working time of mobile workers. Employers shall upon request provide mobile workers with copies of the records of hours worked.