Foreign investment in businesses requiring an Tourist Enterprise Licence, including bars, restaurants, travel agency and tour operators etc., are subject to approval by the Ministry of Tourism. 
"Criteria for Investment by Non-Citizens in Tour Operator Activities
a) Local incorporation
The Company must be locally- incorporated.[…]
c) Letter of Intent
The potential investor must produce a copy of letter of intent(s) or contracts from international tour operator(s) from the source market(s) where they intend to operate.
d) Bank Guarantee
The tour operator shall furnish and maintain a bank guarantee in the sum of Rs.20 million in the favour of the Tourism Authority.[...]
g) Sustainability
The promoter should demonstrate how the project will benefit the local community." (Criteria for Investment by Non-Citizens in Tour Operator Activities)
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"Tourist Enterprise Licence[...]
Criteria for Investment by Non-Citizen for these categories of tourist enterprises: [...]
-Restaurant-Foreign participation is authorised in new and existing restaurant projects provided added value is bought in terms of investment, innovation, new cuisines, filling-in gaps in the tourism product portfolio and quality standards.
-Diving Centres-Foreign shareholding is allowed up to 30%
-Boat House-Foreign Investment in Boathouses is favourably entertained in cases where the promoter
1. is holder of a permanent residence permit; 2. is the spouse of a Mauritian citizen in accordance with the “regime legal de communauté” ("Tourist Enterprise Licence", Tourism Authority website)
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"[...] Application for a Tourist Enterprise Licence
PUB – Checklist [...]
5) Clearance from Ministry of Tourism, in case Investment from non-citizens is involved
[...]
RESTAURANT – Checklist [...]
4) Clearance from Ministry of Tourism, in case Investment from non-citizens is involved
[...]
OPERATING TRAVEL AGENCY - Checklist [...]
4) Clearance from Ministry of Tourism, in case Investment from non-citizens is involved
[...]
PROVIDING TOUR OPERATOR SERVICE (DMC AND TOUR ORGANISER) - Checklist [...]
In case investment from non-citizens is involved
13) Clearance from Ministry of Tourism
14) Copy of letter of intent(s) or contracts from international tour operator(s) from the source market(s) where they intend to operate.
15) Qualifications and experience of the non-citizen shareholder/s and director/s
16) A bank guarantee in the sum of Rs 20 million in the favour of the Tourism Authority (to be submitted before approval)[...]" (Checklist for new application for Tourist Enterprise Licence, Tourism Authority, 2021)

Criteria for Investment by Non-Citizens in Tour Operator Activities;
"Tourist Enterprise Licence", Tourism Authority website;
Checklist for new application for Tourist Enterprise Licence, Tourism Authority, 2021.
[<a href="http://www.tourismauthority.mu/userfiles/Annex%209-%20Criteria-Non%20Citizen-Tour%20Operator.pdf">Criteria</a>],[<a href=" http://www.tourismauthority.mu/en/licence-categories-11/tourist-enterprise-licence-14.html">Criteria</a>],[<a href="http://www.tourismauthority.mu/userfiles/OCT%202021%20Checklist%20New%20applications%20TEL-TAC(2).pdf">Checklist</a>]