The right is derived from the International Covenant on Economic, Social and Cultural Rights which has 170 state parties as of April 2020. States that sign the covenant agree to take steps to the maximum of their available resources to achieve progressively the full realization of the right to adequate food, both nationally and internationally. In a total of 106 countries the right to food is applicable either via constitutional arrangements of various forms or via direct applicability in law of various international treaties in which the right to food is protected.