(a) Except as otherwise provided in subsection (b) of this section, relations among the partners and between the partners and the partnership are governed by the partnership agreement. To the extent the partnership agreement does not otherwise provide, this chapter governs relations among the partners and between the partners and the partnership.
(b) The partnership agreement may not:
(1) Vary the rights and duties under section five, article one of this chapter except to eliminate the duty to provide copies of statements to all of the partners;