Begins 1 June, 2023; ends 31 December, 2023. No purchase necessary. Enter to Win: details at TOPOILWIN.IE. Only at participating Top Oil Retailers. Void elsewhere and where prohibited. Must be 18 years and legal resident of Ireland. Prizes: Instant Win; 2,000 prizes of €10.00 Top Oil Discount Voucher. Enter to Win: 6 monthly prizes of €5,000 each and 1 Grand Prize of €50,000. Professional Fuel Card users only: Enter to Win 1 of 3 prizes of €5,000 or 1 Grand Prize of €10,000. ARV all Instant Win and Enter to Win prizes €130,000. Purchase required to be eligible for Grand Prize and Monthly Prizes: must upload your cash register receipt with min. €15 spend after tax (for Diesel, Petroleum fuel or in-store purchase). Must correctly answer mathematical skill-testing question. For all details including no purchase entry, eligibility requirements, all prize details, odds, and participating dealer locations, see complete Official Rules.