National Lottery Commission reviewed cases where players were not satisfied by Camelot Group’s response. They also ensured that there were controls in place to protect against excessive and under-age play. The Commission monitored all aspects of the running of the Lottery, from the televised draws to the way players were paid their prize money, to ensure they were conducted properly and in accordance with the terms of the licence. The Commission worked to secure the greatest possible returns to good causes by monitoring the performance of the Lottery and ensuring that the allocated funds went to the right place, in the right amounts.
National Lottery (Ireland) changed Lotto to a 6/39 game later in 1992, raising the jackpot odds to 1 in 3,262,623. The first Lotto 6/39 drawing was held on 22 August 1992. To compensate for the longer jackpot odds, the National Lottery doubled the starting jackpot to and added a "bonus number" to the drawings. Whereas players previously needed either a match-6, match-5, or match-4 to win, prizes were now also awarded for match-5+bonus, match-4+bonus, and match-3+bonus. Lotto became a 6/42 game on 24 September 1994, which made the jackpot odds 1 in 5,245,786. The National Lottery made this change to generate bigger rollover