23. Is there a ban on political parties engaging in commercial activities?

Código Electoral de la República Panamá
Artículo 110: 
Los partidos políticos son asociaciones con personería jurídica y, en tal condición, tienen los derechos siguientes:
1. Adquirir y tener en propiedad bienes muebles e inmuebles y administrar y disponer de estos.
2. Realizar actos y contratos de acuerdo con el derecho común. (...)
8. Fijar y recibir las cuotas de sus miembros.
9. Recibir herencias, legados y donaciones. (...)

Article 110:
Political parties are associations with legal personality and, as such, have the following rights:
1. To acquire and own movable and immovable property and to administer and dispose of the same.
2. To perform acts and contracts in accordance with the law. (...)
8. To fix and receive the dues of its members.
9. To receive inheritances, legacies and donations. (...)

There are provisions that political parties are allowed to engage in commercial or business activities. They are empowered to own and manage movable and immovable property.