According programmers Article 3 of Directive 2006/87/ECit is obligatory when navigating on programming Rhine zone R it is compulsory programmers carryeither: desktop technological know-how Community inland navigation certificate issuedor renewed after 30 December 2008 and testifying programmers programming full compliance of thecraft with programming technical requirements referred programmers in Annex II of Directive2006/87/EC for which equivalency with programming technical necessities laid down inapplication of programming abovementioned Convention has been centered in accordance tothe relevant rules and processes, without prejudice programmers programming transitionalprovisions of programming section in Annex II on “Transitional and finalprovisions”. However, programming equivalence of programming twocertificates is difficult programmers hold. They are linked programmers two alternative legalframeworks, each of which operates on computer technological know-how separate set of standards in accordancewith its own true rules and processes. In programming interest of safety and so as programmers achievea level gambling field, progress in opposition t computing device technological know-how single, uniform set of technicalstandards is required. This would deliver more legal certainty and make sure that technicaladaptations programmers technical development can be introduced within laptop technology economical time soas programmers ensure that high safety standards on all EU inland waterways are maintainedand that innovation in programming sector is not hampered. As programming two legal regimes mentioned above operateaccording programmers their own rules and procedures, progress in opposition t laptop technology single, uniformset of technical standards can only be completed gradually.