If you are not able to type any information in the ACA Software for the ACA Form 1095-C Part III, please follow the steps below:
1) From Menu bar in software click on Forms > 1095-C
2) Select the Payer
3) Select the Employee
4) Click on the Part III Tab on the top to see the Part III: Covered Individuals Screen
5) Click on the box indicated on the Image to activate line 18 - 30
6) Click in box 18 to enter your first Covered Individual