ACA 1095 IRS Submission: CoveredIndividualMonthlyIndGrp Shared-003 Error and Solution
Error [shared-003]
If the Information Return checkbox 'CorrectedInd' is not checked and 'CoveredIndividualName' in 'CoveredIndividualGrp' has a value and the corresponding checkbox 'CoveredIndividualAnnualInd' is not checked, then at least one checkbox in corresponding group 'CoveredIndividualMonthlyIndGrp' ('JanuaryInd' through 'DecemberInd') must be checked.
Reason
You forgot to check the monthly coverage option in Part III of the 1095-C form (Covered Individuals).
2. In Part III of the 1095-C form (Covered Individuals), you must check either the "All 12 months" box or at least one box for the individual months (January through December) for each listed individual.