The Worst Forms of Child Labour Convention, 1999 (Convention No 182) of the International Labour Organization (ILO) provides that the "use, procuring or offering of a child for prostitution" is one of the "worst forms of child labor". This convention from 1999, provides that countries that have signed it must get rid of child prostitution s soon as possible. It has the fastest pace of ratifications in the ILO's history since 1919.