1. Is there a ban on donations from foreign interests to political parties?

Tunisia
Organic Law No. 16 of 2014 of May 26, 2014
The elections and the referendum as revised and completed by
Organic Law No. 7 of 2017 dated February 14, 2017, and
The Basic Law No. 76 of 2019 dated August 30, 2019, Article 80:
It is prohibited to finance campaigns from foreign sources including governments, individuals and legal persons. Funds in the form of gifts; presents; or cash, in-kind or promotional grants; that are of the foreign source according to fiscal legislation, are considered foreign funding, no matter the citizenship of the funder.
The funding of candidate lists in overseas constituencies by Tunisians living abroad is not considered foreign funding.
The Authority regulates funding, its procedures, and modalities, taking into consideration the specificities of the funding of candidate lists in overseas constituencies.