Only Tanzanian nationals can own pharmacy retail outlets in rural and peri-urban zones.
"2. These Regulations shall apply to- (a) every person or group of persons permitted or otherwise allowed by the Minister to dispense medicines or operate an Outlet pursuant to section 40 of the Act. 
[...]
3. In these Regulations, unless the context otherwise requires: [...]
“Outlet” also prescribed as “ADDO”, “DLDM” or “Duka la Dawa Muhimu” means premises accredited under these Regulations to provide drugs dispensing services to the communities in rural or peri-urban areas;
[...]
PART IV - STANDARDS OF OPERATION OF OUTLETS [...]
ADDO owner’s requirements
26.-(1) Save as otherwise provided in these Regulations, a person shall not own an Outlet unless the person-
(a) is a Tanzanian adult who is mentally fit; [...]" (PHARMACY (ACCREDITED DRUGS DISPENSING OUTLETS) (STANDARDS AND ETHICS FOR DISPENSATION OF MEDICINES) REGULATIONS, 2019)

PHARMACY (ACCREDITED DRUGS DISPENSING OUTLETS) (STANDARDS AND ETHICS FOR DISPENSATION OF MEDICINES) REGULATIONS, 2019
[<a href="https://media.tanzlii.org/files/legislation/tz-act-gn-2019-185-publication-document.pdf">Reg</a>]