The BMA, by its decision, orders the measure of return from the territory of the Republic of Moldova and applies the ban on entry into the Republic of Moldova for a certain period. By the return decision, the stay of a foreigner is declared illegal and the foreigner is obliged to leave the territory of the Republic of Moldova within a certain period. The return decision can be issued against the following categories of foreigners:  who entered the territory of the Republic of Moldova illegally,  whose stay in this territory has become illegal,  whose visa or right of residence has been cancelled or revoked,  who were denied the prolongation of the right of temporary residence,  whose right of permanent residence has ceased,  whose application for recognition of stateless status has been rejected, the procedure has been ceased or whose stateless status has been cancelled,  former asylum seekers. The return decision shall be drawn up in two copies, in the official language and in an international language and shall contain the factual and legal grounds, as well as information on possible remedies. If the foreigner is present, a copy of the decision on return is handed to him to put his signature on the copy that remains at the competent authority for foreigners. If the foreigner is present, a copy of the decision on return is handed to him/her to put his signature on the copy that remains at the competent authority for foreigners by mail, with acknowledgement of receipt, to the address stated by the foreigner as his place of residence or by display at the headquarters of the BMA, if it is not known the address to which the foreigner resides. The return decision may be appealed in the Court in which jurisdiction is the territorial subdivision of the BMA that issued the return decision, within 5 working days from the date of communication. The complaint of the return decision has a suspensive effect of execution of the decision, unless the return decision is issued at the request of the foreigner. The complaint of the return decision, drawn up by the foreigner taken into public custody, is made at the court in whose jurisdiction the Temporary Placement Centre for Foreigners is located (Chisinau Court, Riscani headquarters). The complaint of the return decisions takes place in the administrative court. 4.2. Declaration of a foreigner as undesirable person The declaration of the foreigner as an undesirable person is a measure ordered by the competent authority for foreigners (BMA) against an foreigner who has carried out, carries out or in respect of whom there are strong indications that he intends to carry out activities likely to endanger national security or public order. The BMA, by a reasonable decision, ex officio or on the proposal of other authorities with competences in the field of public order and national security, which have thorough data or 31