Over the past several years the National Sickness and Invalidity Insurance Institution (Institut national d’assurance maladie-invalidité (INAMI)) has been developing an active policy of occupational reintegration for persons receiving benefits under the invalidity insurance scheme. In co-ordination with public vocational training and reintegration organisations (public employment services) and mutual benefit society health schemes, this policy has resulted in the occupational reintegration of over 4,000  individuals into the labour market (through training) and more than 40,000 cases of partial work resumption. This "Back to Work Plan" is a program based principally on the International Social Security Association Guidelines on Returning to Work and Reintegration.