They propose mandatory labeling or a moratorium on such products. The only exemption is for mixed national couples married before the 1981 moratorium. Hunting continued apace until the general moratorium on whaling began in 1986. Ziegler also calls for a 5-year moratorium on biofuel production. Since 1993 the country has had a "de facto" moratorium on executions. Then there was a "de facto" moratorium on the death penalty in Turkey. During their brief moratorium they are granted freedom. A "de facto" moratorium followed the test. Contracts can be signed once the moratorium ends. By 1993 six cod populations had collapsed, forcing a belated moratorium on fishing. A moratorium on lawsuits by debtors was extended to May 31. The policy is based on a 1981 moratorium which was made law in 1984. Le Pen has called for a moratorium on legal immigration. Another instance is a delay of legal obligations or payment ("debt moratorium"). The international moratorium commenced on 31 October 1958, and Britain never resumed atmospheric testing.