Foreign investment in dry ports is allowed subject to partnership with Tanzanian nationals holding at least 10% interest in the business.
"Part II - Application for Licence [...]
5. A company intending to conduct the business of a dry port shall apply to the Corporation for a licence in Form No 1 set out in the First Schedule to these Regulations.
6.(1). The Corporation shall issue licence to a company which fulfills the following requirements:
(a) is incorporated under the Companies Act;
(b) has a minimum share capital of ten percent held by Tanzanian citizen;[...]" (The Tanzanian Shipping Agencies (Dry Port) Regulations, G. N. No 341 of 2018)
The Tanzanian Shipping Agencies (Dry Port) Regulations, G. N. No 341 of 2018
[<a href="https://www.tasac.go.tz/uploads/publications/sw1537429064-DRY%20PORT%20REGULATIONS-2018_GN.NO%20341.pdf">Reg</a>]