(2) An agreement made by virtue of subsection (1) may provide for the remuneration of the attorney-at-law by a gross sum, or by commission or by percentage, or by salary, or otherwise, and it may be made on the terms that the amount of the remuneration stipulated in the agreement shall not include all or any disbursements made by the attorney-at-law in respect of searches, plans, travelling, stamps, fees or other matters.