As first reported by JaySki.com, NASCAR released an addition to its rulebook that allows it to limit the number of entries for a Cup Series race to 40 teams. The new rule allows NASCAR to fill open slots based on the team owner’s points standings

XI Racing and Front Row Motorsports no longer appear in danger of missing a NASCAR Cup Series race this season as NASCAR has added a rule about Open teams making the field based on owner standings.In the Entry Requirements section,

Following 23XI Racing and Front Row Motorsports losing charter status, NASCAR is making mid-season rule changes that'll affect their race entry process