Membership of the Institute is compulsory for all practitioners of the marketing profession. A person shall be deemed to practice as a marketer if in consideration of remuneration received or to be received and whether by himself or in partnership with any other persons, he:
a. Engages himself in the practice of marketing or hold himself out to the public as a marketer; or
b. Renders professional service or assistance in, or about matters of principles or detail, relating to the practice of marketing; or
c. Renders any other service which may, by regulation made by Council in consultation with the Minister, e designated as service constituting practice as a marketer.
There are presently 5 membership grades at NIMN, these are
(a) As a fellow, if he satisfy the Council that he has attained the age of 35 years and that for the period of 5 years immediately preceding the date of application in that behalf has been fit and proper person, and in addition he is the holder of an approved academic qualification and has creditably held a senior management position in a marketing or related organization, or has held a senior lecturer position in a higher educational institution for a period of not less than 8 years