Anyone wishing to take up residence in Allschwil and who holds a foreign resident's I.D. can register at the administration center AllService (Einwohnerdienste). The registration is free of charge and has to be completed within fourteen days of moving here. You have to appear at the counter personally and bring the following documents with you:
Apply for a foreign resident's I.D.:
Anyone wishing to move to Switzerland from abroad first has to apply for a foreign resident's I.D. The application is also prepared by the administration center and forwarded by them to the relevant office. The office responsible for issuing foreign resident's I.D.s is:
Amt für Migration
Parkstr. 3
4402 Frenkendorf
phone: +41 (0)61 552 51 61
afm@bl.ch
For further information please visit the German website (Reference LEBEN, Wohnen und Umziehen)