FC Twente say they will fight any attempts to relegate them to the second tier of Dutch football in a dispute over financial irregularities.
FC Twente face relegation to the second-tier Jupiler League for misleading football authorities about their finances.
PSV Eindhoven retained the Eredivisie title after a dramatic final day that saw Ajax slip up when it mattered most.
Ajax moved a step closer to reclaiming the Eredivisie title on Sunday with a thumping 4-0 win over FC Twente.
Ajax have returned to the top of the Eredivisie table after winning 2-0 away at Heerenveen.
Substitute Piotr Parzyszek snatched a late equaliser to earn De Graafschap a 1-1 Eredivisie draw at home to FC Twente.