However Shelbourne were subsequently demoted to the First Division and had to withdraw from the 2007–08 UEFA Champions League and 2007 Setanta Sports Cup because of their financial difficulties.
The Revenue Commissioners took High Court action and threatened to have Shelbourne wound up after it failed to pay more than €104,000 in outstanding taxes.
Mark Farren's stoppage-time winner for Derry City away to Waterford United on 13 November ensured that for the third successive year the title would be decided on the final day of the season.
Dundalk won 3–2 on aggregate but did not meet the criteria set out by the FAI's Independent Assessment Group and were not promoted.
Crucially though, clubs would also be graded on off-field criteria, including attendance, infrastructure, governance, strategic planning, finance, youth development and marketing.
However the final outcome of the IAG decision was further complicated by the financial difficulties of Shelbourne who, despite initially passing the stress test, were subsequently relegated to the First Division.
The League of Ireland Premier Division's UEFA coefficient accumulated to a total value of 6.498 for the 2006–07 European season.