transact business(This collective punishment led to a serious crisis: the Palestinians have seen themselves virtually deprived of the right to travel in order to work, study, transact business, buy supplies, worship or seek medical treatment. RealMadrid)
maintain business activity(Company registration is necessary for noncommercial organisations as well, though they can maintain business activity only for achievement of the aims for the sake of which they are created. RealMadrid)
