(1) Save as otherwise provided by this Act, the mutual rights and duties of the partners of a limited liability partnership, and the mutual rights and duties of a limited liability partnership and its partners, shall be governed by the limited liability partnership agreement between the partners, or between the limited liability partnership and its partners.
     (2) The limited liability partnership agreement and any changes, if any, made therein shall be filed with the Registrar in such form, manner and accompanied by such fees as may be prescribed.
     (3) An agreement in writing made before the incorporation of a limited liability partnership between the persons who subscribe their names to the incorporation document may impose obligations on the limited liability partnership, provided such agreement is ratified by all the partners after the incorporation of the limited liability partnership.
     (4) In the absence of agreement as to any matter, the mutual rights and duties of the partners and the mutual rights and duties of the limited liability partnership and the partners shall be determined by the provisions relating to that matter as are set-out in the First Schedule.