Decoration is only conferred on incontestable proof of performance of the deed. He hoped the work would "produce an effect of incontestable superiority". All of them were denying the violations but incontestable pictures were published. The registered trademark then becomes incontestable in the courts. The victory placed the anti-Ricardian Lords Appellant in a position of incontestable strength. Driesch's contention seemed incontestable to me. Mathematical models and algorithms based on them are too often opaque, unregulated, and incontestable. There, such a statement is true and incontestable. Their power and influence were widespread and largely incontestable. The ban became incontestable by order of the Federal Administrative Court of 6 January 2014. Problem's appearance adds a West Coast hip hop spin to the incontestable Southern song.