1. (a) The owner must retain the original tenant files (with original signatures), monthly unit data tracking, and development files for the first year of the credit period for a minimum twenty-one (21) years.
2. (b) First-year records must be maintained in addition to any copies on discs or other electronic devices.
3. (c) All other records must be retained for at least six (6) years after the due date (with extensions) for filing the federal tax return for that year.
4. (d) Owners must keep records throughout the compliance period, which is usually fifteen (15) years.
5. (e) Those owners who have executed a land-use restriction agreement must maintain records throughout the extended compliance period, which is usually an additional fifteen (15) years, for a total of thirty (30) years.

Codification Notes: "LIHTC" means low-income housing tax credit.