The specific arrangements and safeguards for implementing freedom of movement were spelled out in the Schengen Convention signed by the five countries in 1990, entering into force about five years later.
Posebni aranžmani i zaštitni mehanizmi za provedbu slobode kretanja izneseni su u Schengenskoj konvenciji koju je pet zemalja potpisalo 1990, a koja je stupila na snagu oko pet godina kasnije.