What is The proportionality rule only applies .?

The proportionality rule applies primarily in legal and regulatory contexts, particularly in administrative law, where it ensures that actions taken by authorities are proportionate to the objectives pursued. This means that the measures implemented should not exceed what is necessary to achieve a legitimate aim, balancing the interests of the public against individual rights. It is often invoked in cases concerning human rights, environmental regulations, and public policy decisions. The rule aims to prevent excessive or unjust measures by requiring a rational relationship between means and ends.