No other form of entry will be taken for the classes, the organisation warned ahead of the opening class at Louth County Show on April 26th-27th.
Barnadown Showjumping will host the second round on May 9th-11th, while Cavan will host the third round on May 16th to 18th. In June, Mullingar International will host the classes on May 30th to June 2nd, while Cork Summer Show will host them July 12th-13th.
The classes move north to The Meadows on July 19th-20th and return to Tattersalls on July 26th-27th.
For 2014, the MERs (Minimum Eligibility Requirements) system will no longer be in operation.
In the six-year-old league, points will be awarded in the final classes as two points for a first clear round and five points for a double clear round. This is an amendment to the points system for six-year-olds and will apply to all legs of the Series.