The rights and duties of partners are determined by their partnership contract, whether express or implied, and can be varied with consent from all partners. While a partner, one cannot conduct business other than for the firm. The state can declare certain trades unlawful through legislation according to the constitution.

1. DETERMINATION OF RIGHT AND DUTIES OF
PARTNERS AND AGREEMENT IN RESTRAINT OF
TRADE

2.  Determined by contract
 Contract may be express or implied by
course of dealing
 Contract may be varied by consent of all
partners
 Consent may be express or implied by course
of dealing Section -11(1)

3.  A partner shall not carry on the business
other than that of the firm while he is a
partner
 Constitutional Provision
Article- 18
State can by law ban or declare any trade
unlawful- PLD1975 S.C. 667
Section – 11(2)