This article applies to:

ILK1P-500-3 e-file error

You get this error because Illinois requires a valid Federal Employee Identification Number
(FEIN) on the K-1-P form for each trustee.

SchILK1P Step 1 Line 3 must contain a valid FEIN. (ILK1P-500-3)

Go to States
in the Organizer
, then select Illinois
.

Select K-1-P Received by Trustee
, then a trustee.

Enter a valid FEIN
.

Do a full recompute, then recreate the e-file.