40. The situation is to some extent similar when it comes to the recognition of the boatmasters &apos; certificates, as each inland navigation regime included specific provisions and, until recently, a special Rhine boatmaster certificate was necessary for navigating on the Rhine.
40. The situation is to some extent similar when it comes to the recognition of the boatmasters &apos; certificates, as each inland navigation regime included specific provisions and, until recently, a special Rhine boatmaster certificate was necessary for navigating on the Rhine.