These are entitled 'Dublin City Council Appointed Stands, Street Service Vehicles (Taxi) Bye-Laws 2015'. They came into effect on 1st of November 2015. Download a copy below.
Taxi services are regulated by the National Transport Authority
The National Transport Authority is the licensing authority for vehicle licences, while An Garda Síochána is the licensing authority for the issue and renewal of) SPSV(small public service vehicle driver licences – the licence to drive a taxi, hackney or limousine.