What is PTAX-350 Schedule IV used for?

It records a rental housing project's income and expenses and calculates net operating income. Owners submit it with Form PTAX-350, the Uniform Application for Assessment of Affordable Rental Housing.

Who completes this schedule?

The applicant provides owner and property information and annual project income and expense figures. The form says it is to be completed annually for all projects.

Do I need a notary for PTAX-350 Schedule IV?

No. The schedule does not require notarization or list a notarized attachment; its verification and date fields are in the office-use section.

Knox County, IL · Knox County

No notary required

PTAX-350 Schedule IV, Income and Expenses

This annual schedule reports rental housing project income and expenses for owners submitting Form PTAX-350, the Uniform Application for Assessment of Affordable Rental Housing.

At a glance

Issued by: City of Knox County · Knox County, Knox County, Illinois
Notarization: Not required: file this form without a notary.
Official source: knoxcountyil.gov
Blank form: Download the PDF
Catalogued: Oct 5, 2026
Machine-readable: JSON record · about the forms index

What this form is

Owners complete this schedule annually and submit it with Form PTAX-350, the Uniform Application for Assessment of Affordable Rental Housing. It collects owner and property details, annual income and expense figures, and information used to calculate net operating income. A separate section is for office use and includes expense ratio and capitalization rate calculations.

Who needs it

Owners applying for assessment of affordable rental housing complete this schedule annually for each project and submit it with Form PTAX-350.

How to submit it

Submit this schedule with Form PTAX-350, Uniform Application for Assessment of Affordable Rental Housing; check the county website for current contact details.

About notarization

No notary is required; the schedule has no notarized attachment or applicant signature instruction, and its office-use section includes verification and date fields.

How to submit this form

1
Download the Schedule
Download the PTAX-350 Schedule IV PDF.
2
Complete Applicant Information
Enter the requested owner, project, contact, and property information.
3
Report Income and Expenses
Fill in the annual project income and expense amounts and calculate the listed totals.
4
Submit With Form PTAX-350
Submit the completed schedule with Form PTAX-350, Uniform Application for Assessment of Affordable Rental Housing.

Frequently asked questions

What is PTAX-350 Schedule IV used for?: It records a rental housing project's income and expenses and calculates net operating income. Owners submit it with Form PTAX-350, the Uniform Application for Assessment of Affordable Rental Housing.
Who completes this schedule?: The applicant provides owner and property information and annual project income and expense figures. The form says it is to be completed annually for all projects.
Do I need a notary for PTAX-350 Schedule IV?: No. The schedule does not require notarization or list a notarized attachment; its verification and date fields are in the office-use section.
How do I submit PTAX-350 Schedule IV?: Submit it with Form PTAX-350, Uniform Application for Assessment of Affordable Rental Housing. Check the county website for current contact details.

Need something notarized?

This PTAX-350 Schedule IV, Income and Expenses doesn’t need a notary, but Illinois residents can notarize other documents online with a commissioned online notary.