"Tier 1 participant": A participant who first became a participant before January 1, 2011.
"Tier 2 participant": A participant who first became a participant on or after January 1, 2011.
40 ILCS 5/2-105.3
"Tier 1 participant": A participant who first became a participant before January 1, 2011.
"Tier 2 participant": A participant who first became a participant on or after January 1, 2011.
40 ILCS 5/2-105.3