29 C.F.R. § 4071.3
The maximum daily amount of the penalty under section 4071 of ERISA shall be $2,233.
[62 FR 36994, July 10, 1997, as amended at 81 FR 29766, May 13, 2016; 82 FR 8814, Jan. 31, 2017; 83 FR 1556, Jan. 12, 2018; 83 FR 67074, Dec. 28, 2018; 85 FR 2305, Jan. 15, 2020]