granted by the Age Discrimination in Employment Act of 1967, 81 Stat. 602, 29 U.S.C. § 621 will not be effective even if supported by consideration, except under the Older Workers Benefit Protection Act. Conflict of laws At either the characterisation or the choice of law stage, the most usual manipulation involves the way in which the connecting factors are pleaded as between the lex fori and the lex loci so that inconvenient local laws are evaded in favour of a "foreign" law. Detection Under US Drug Trafficking Vessel Interdiction Act, it is illegal to operate or embark in a submersible vessel or semi-submersible vessel without nationality on an international voyage with the intent to evade detection. That is curious because one of the required proofs of nationality is the documents issued under the 1958 Convention on the High Seas, a convention, which Congress has never acknowledged by ratifying. Notes Conflict of laws Legal doctrines and principles