Since the possibility of disputes is always present your agreement must include a place to cover how any disputes will be handled. This way everyone has already agreed to how these disputes are to be taken care of and cannot argue the point and cause further problems for the rest of the members of the venture. This may end up being the most important area of your agreement and should be filled out very carefully to avoid any possibility of a legal challenge.
Lasting for 5 or even 10 years depending on the terms the landlord and tenant set, a commercial lease is usually much longer than a residential lease. A commercial lease will often list several people on the lease both as landlords or investors and the group that is renting the space. Each person that has a stake in the agreement should be listed.