One software license is required per company location.
Runtime Royalty Free.
License Scenario 1: A customer with five developers and two company locations worldwide (location 1: software development department with all 5 developers working there; location 2: sales and marketing department plus general management) will need 1 license.
License Scenario 2: A customer with five developers and two company locations worldwide (location 1: software development department with 3 developers working there; location 2: software development department with 2 developers, sales and marketing department plus general management) will need 2 licenses.