Mobile Electoral Boards are to be appointed wherever necessary and possible for voting in smaller hospitals, smaller senior citizens' or nursing homes, monasteries, convents and socio-therapeutic and penal institutions. The Mobile Electoral Board shall comprise the Electoral Officer of the cognizant polling district or his or her deputy and two members of the Electoral Board. The local authority of the municipality may also, however, instruct the Mobile Electoral Board of another polling district in the municipality to take receipt of the ballot papers.