At least one Senate Seat must be for filling a seat from another Senate Class. While each House has the authority to determine qualifications to seat the elected representative, It wouldn't officially be assembled if at least a quorum of each house is not there.

At least one Senate Seat must be for filling a seat from another Senate Class. While each House has the authority to determine qualifications to seat the elected representative, It wouldn't officially be assembled if at least a quorum of each house is there.