A review of the proportionality of a restrictive national measure in the area of regulated professions should be based not only on the objective of that national measure at the time of its adoption, but also on its effects, assessed after its adoption.
Ní hé amháin gur cheart an t-athbhreithniú ar chomhréireacht an bhirt náisiúnta sriantaigh i réimse na ngairmeacha rialáilte a bheith bunaithe ar chuspóir an bhirt náisiúnta sin tráth a ghlactha, ach ba cheart é a bheith bunaithe freisin ar a éifeachtaí, agus é measúnaithe tar éis a ghlactha.