Pearse Doherty (Donegal, Sinn Fein) | Oireachtas source

There are 40,270 residential homes - houses or apartments - where the landlord is non-resident. Tax is applied to those tenancies in two ways, of which one is through a collection agent and the other through the tenant deducting 20% and paying directly to Revenue. Do we have any sense of how that is happening? Are there figures on the split or proportions?