(24) For the purposes of this Agreement, the six public holidays recognised are as follows: New Year`s Day (97) In the case of uns programmed overtime on a construction site, priority shall be given to members of the bargaining unit working on that site in the same order as the transfer order provided for in paragraph 84 of this Article. Unstrained overtime may only be offered to employees in a lower priority group when overtime has been offered to workers in a priority group. Any classification of personnel excluded from the plan by virtue of negotiations in good faith and for which no contribution is required may not participate in the plan. Persons in these excluded classifications are not considered “collaborators” within the meaning of the plan and the standard form of the participation agreement. .