a. the identity of the parties, b. the place of work. If there is no fixed or main place of work, the contract of employment shall provide information to the effect that the employee is employed at various locations and state the registered place of business or, where appropriate, the home address of the employer, c. a description of the work or the employee's title, post or category of work, d. the date of commencement of the employment, e. if the employment is of a temporary nature, its expected duration and the basis for the appointment, cf. section 14-9, f. where appropriate, provisions relating to a trial period of employment, cf. section 15-3, seventh paragraph, and section 15-6, g. the employee's right to holiday and holiday pay and the provisions concerning the fixing of dates for holidays, h. the periods of notice applicable to the employee and the employer, i. the pay applicable or agreed on commencement of the employment, any supplements and other remuneration not included in the pay, for example pension payments and allowances for meals or accommodation, method of payment and payment intervals for salary payments, j. duration and disposition of the daily and weekly working hours. If the work is to be performed periodically, the employment contract must state when the work is to be performed or provide a basis for so calculating, k. length of breaks, l. agreement concerning a special working-hour arrangement, cf. section 10-2, second, third and fourth paragraphs, m. information concerning any collective pay agreements regulating the employment relationship. If an agreement has been concluded by parties outside the undertaking, the contract of employment shall state the identities of the parties to the collective pay agreements.