What is the Sch IN-OCC and how do i get the Certification/Project No?

These are the credits that schedule covers-

Complete this schedule if you are reporting any of the following credits: Hoosier Business Investment Credit; Hoosier Business Investment Credit - Composite; Hoosier Business Investment Credit - Logistics; Hoosier Business Investment Credit - Logistics - Composite; Natural Gas Commercial Vehicle Credit; Natural Gas Commercial Vehicle Credit - Composite; Redevelopment Tax Credit; Redevelopment Tax Credit - Composite; School Scholarship Credit; School Scholarship Credit - Composite; Venture Capital Investment Credit; Venture Capital Investment Credit - Composite.

If you had any of these credits then you will use the schedule.  If not then you don't need it,

@j-warmick