Article 54.

To be admissible, the appeal shall be lodged within a period of thirty days beginning:

1 the day after the date on which the contested decision is served for those persons or bodies on whom/which the decision is served;
2 the day after the end of the period for making a decision if the Environment Permit is tacitly refused in the first administrative instance;
3 the day after the first day of promulgation of the contested decision in all other cases.