A practice that is accepted in a particular market cannot be considered applicable to other markets unless the competent authorities of such other markets have officially accepted that practice.
Ní féidir le cleachtas a nglactar leis i margadh ar leith a mheas mar chleachtas is infheidhme maidir le margaí eile murar ghlac údaráis inniúla na margaí eile sin go hoifigiúil leis an gcleachtas sin.