Ill. Admin. Code tit. 77, § 1010.50
e) Final edited data shall be received prior to the final closing date, 20 calendar days after the start date for internal data review as specified in Section 1010.40(a)(1) of this Part. Five calendar days are specified between the initial and final closing dates to correct errors in claims and encounter data that were rejected on the last day of submission. There shall be no correction period for erroneous data received during this five-day period. To meet these requirements, the facility shall do all of the following:
2) Review the resultant data profile for accuracy and completeness; and