Panama maintains 100% of its Territorial Tax Principle

All income generated outside of Panama is tax-exempt, no matter if the capital is in the name of a Panamanian juridical person or a local bank. Interests from bank accounts are also tax-exempt.

http://www.presidencia.gob.pa/5183-Articulos-2-y-3-de-Ley-120-seran-derogados

http://www.presidencia.gob.pa/5186-gobierno-reitera-compromiso-con-territorialidad-fiscal