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The public good (which will also include public safety and public order) will sometimes require protection at the expense of human and civil rights and freedoms. As long as the interference is justified by the circumstances and is legally permissible, it is possible to restrict the freedom of assembly. This may, however, be done in special circumstances where safety and public order cannot be guaranteed using other measures. Moreover, the disadvantages for the addressees of the restriction must not be excessive, and the restriction itself must not last longer than necessary. The right to organise and hold assemblies of any kind may be suspended during both martial law and a state of emergency. Both are states of exception, imposed due to the need to protect the state, including against threats to its safety.
Mirosław Karpiuk (Fri,) studied this question.