OAR 166-200-0230
Accounting — Revenue
(1)
Accounts Receivable Records* — Minimum retention: 3 years after collected or deemed uncollectible.(2)
Check Conversion Records — Minimum Retention:(a)
Retain original paper instrument 120 days;(b)
Retain Automated Clearing House (ACH) transaction or Image Replacement Document (IRD), 6 years.(3)
Credit and Debit Receipts — Minimum Retention: Retain 3 years after transaction.(4)
Gift and Contribution Records — Minimum retention:(a)
For retention of conditional gift, contribution and donation records, see Contracts and Agreements in the Contracts section;(b)
All other records, retain 3 years.(5)
Investment Records — Minimum retention: 3 years after investment ends.(6)
Revenue Sharing Records* — Minimum retention: 3 years.(7)
Trust Fund Records — Minimum retention: Records not duplicated elsewhere in city records, retain 3 years after trust fund closed.(8)
Utility Bill Records — Minimum retention: 3 years.(9)
Utility Customer Security Deposit Records — Minimum retention: 3 years after refund or last action.
Source:
Rule 166-200-0230 — Accounting — Revenue, https://secure.sos.state.or.us/oard/view.action?ruleNumber=166-200-0230
.