A primary Mining Licence  (i.e. small-scale mining) for any minerals shall not be granted to an individual, partnership or body corporate unless-[...] (c) in the case of a body corporate, it is a company and— (i) its membership is composed exclusively of citizens of Tanzania; (ii) its directors are all citizens of Tanzania; (iii) control over the company, both direct and indirect, is exercised, from within Tanzania by persons all of whom are citizens of Tanzania. A mining licence for mining gemstones is also exclusively granted to Tanzanian applicants (assuming a company's directors must all be citizens).
"3. Disapplication to petroleum
This Act does not apply to exploration for or production of petroleum.
4. Interpretation
(1) In this Act, unless the context otherwise requires— [...]
"mining licence" means a mining licence for medium scale mining operation, whose capital investment is between US$100,000 and US$ 100,000,000 or its equivalent in Tanzanian shillings; [...]
"Primary mining licence" means a licence for small scale mining characterized by minimal machinery or technology of an initial capital for investment which does not exceed US dollars 5 million or its equivalent in Tanzania Shilling;
[...]
8. Restriction on grant of mineral rights
(1) Mineral rights shall not be granted to— [...]
(b) a company—
(i) which has not established a physical and postal address in the United Republic for the purpose of serving legal notices and other correspondences;
(ii) unless, such company is incorporated under the Companies Act and intends to carry out the business of mining under a mining licence;
(iii) which is in liquidation other than a liquidation that forms part of a scheme for the reconstruction or amalgamation of the holder;
(iv) which has among its directors or shareholders any person who would be disqualified in terms of paragraph (a)(iii) and (iv).
(2) A Primary Mining Licence for any minerals shall not be granted to an individual, partnership or body corporate unless-
(a) in the case of an individual, the individual is a citizen of Tanzania;
(b) in the case of a partnership, it is composed exclusively of citizens of Tanzania;
(c) in the case of a body corporate, it is a company and—
(i) its membership is composed exclusively of citizens of Tanzania;
(ii) its directors are all citizens of Tanzania;
(iii) control over the company, both direct and indirect, is exercised, from within Tanzania by persons all of whom are citizens of Tanzania.
(3) Notwithstanding subsection (2), the Commission may, on recommendation of the Resident Mines Officer and upon satisfying itself that a Primary Mining Licence holder needs a technical support which cannot be sourced within Tanzania, allow the Primary Mining licence holder to contract a foreigner for the technical support.[...]
(5) A mining licence for mining gemstones shall only be granted to applicants who are Tanzanians.
(6) Notwithstanding subsection (5), where the Minister after consultation with the Commission determines that the development of gemstone resources in an area of land subject to a mineral right, is most likely to require specialized skills, technology or high level of investment, he may grant a mining licence for gemstones to the applicant, where he is satisfied that the licence will be held by that person together with a non-citizen whose undivided participating shares amount to not more than fifty percent either alone, in the case of one person or in the aggregate in the case of more than one person.
[...]
Part VIII – Local content, corporate social responsibility and integrity pledge
102. Provision of goods and services by Tanzanian entrepreneurs
(1) A mineral right holder shall give preference to goods which are produced or available in Tanzania and services which are rendered by Tanzanian citizens and or local companies.
(2) Where goods required by the mineral right holder are not available in Tanzania, the goods shall be provided by a local company which has entered into a joint venture with a foreign company.
(3) The local company referred to in subsection (2) shall own share of at least twenty five percent in the joint venture or otherwise as provided for in the regulations. [...]
(9) For the purpose of this Act—
"local company" means a company or subsidiary company incorporated under the Companies Act, which is one hundred percent owned by a Tanzanian citizen or a company that is in a joint venture partnership with a Tanzanian citizen or citizens whose participating shares are not less than fifty one percent.[...]" (Mining Act (Chapter 123), 2010, as amended)
Mining Act (Chapter 123), 2010, as amended
[<a href="https://tanzlii.org/akn/tz/act/2010/14/eng@2019-11-30">Act</a>]