"Congress has readily available methods to waive this law, which has never been enforced since its enactment.
But that law has not been enforced since 1964, and a more persuasive reason may be that the country has really only ever benefited from its EU involvement.
But the colonial rules have seldom been enforced since the late 1960's, including since Britain handed over Hong Kong to China six years ago today.
The immediate impact of Wednesday's ruling is limited, because the copycat provision has not been enforced since a court injunction was granted in 1991.
While it's a step forward from Health Canada's former five-year abstinent period that's been enforced since 2013, it's still a huge, unrealistic waiting time for gay men who want to donate blood now.
The law mandating the hijab has been enforced since the 1979 Islamic Revolution, and a head scarf is obligatory for every woman in the country, even tourists and visiting foreign dignitaries.
In the regulatory field, a revised version of the compulsory technical regulations for dangerous substances (TRGS 540) has been enforced since 1998.
Various provisions of this Act have been enforced since 1 May 2004.
Indeed, as already mentioned, the CET has been enforced since 1 January 2000 after three years of progressive trade duty reduction.
A general ban on movement of small ruminants between counties, which has been enforced since the 1970s to control maedi-visna and scrapie infection in Norway, is also likely to have contributed.
Furthermore, medical doctors must report patients suspected of having prion disease to the local public health department within 7 days after the diagnosis, according to the law on infectious diseases (which has been enforced since April 1999 in Japan to monitor some specific infectious diseases).
