10Partners bound by acts on behalf of firm

10 Partners bound by acts on behalf of firm (1) An act or instrument relating to the business of a firm other than an incorporated limited partnership is binding on the firm and all the partners in the firm if it is done or executed by a person authorised to do the act or execute the instrument (whether or not a partner in the firm)— (a) in the firm name; or (b) in any other way showing an intention to bind the firm. (2) An act or instrument relating to the business of an incorporated limited partnership is (subject to section 13 (5) (Liability of partner)) binding on the partnership and all the general partners in the partnership if it is done or executed by a person authorised to do the act or execute the instrument (whether or not a general partner in the partnership)— (a) in the firm name; or (b) in any other way showing an intention to bind the partnership. (3) This section does not affect a rule of law about the execution of deeds or negotiable instruments.