A collective dismissal procedure must be followed, as established by the Portuguese Labour Code:
- if the dismissal is for market, structural or technological-related reasons; and
- the number of employees affected, within a period of 90 days, is at least:
- two employees for companies with up to 50 employees; or
- five employees for companies with 50 employees and above.
The employee is considered to be effectively dismissed as soon as the notice period described above has been observed.
Source :
https://cms.law/en/int/expert-guides/cms-expert-guide-to-dismissals/portugal