78. It is understandable that electoral authorities would seek to limit mobile voting. Not only is there an elevated risk of irregularities in connection with such voting, but numerous requests can strain the voting system. In addition, the three-day period for requests means that ballot packages have to be opened prior to election day, which raises security issues. At the same time, however, the limitation of requests for mobile voting by ill and disabled voters is of concern; but the recommendation in the previous Venice Commission-ODIHR Opinion that consideration should be given to reinstituting special voting for such voters was not followed.