Valuation of partner's profit sharing right prescribed under Gift tax Rules; circular mandates a specified calculation method for assessment. A circular directs a prescribed method for computing the value of a partner's right to share firm profits without a right to share the assets, instructing Commissioners of Income-tax and Gift-tax to apply the calculation procedure set out in the annexure when assessing such profit sharing rights for gift tax purposes. The directive establishes that the monetary worth of this income entitlement, distinct from any interest in firm assets, must be determined by the specified annexed mechanism.