Section 26.01.24.350 - DOCUMENTATION01.Allowable Costs. Applicable Office of Management and Budget (OMB) cost principles must be followed in determining reasonable and allowable costs.02.Documentation and System of Internal Controls. The applicant must maintain a system of internal controls in order to identify the source and disbursement of funds provided for all project costs by project. Accounting records must be supported by source documentation such as vouchers, canceled checks, invoices, payroll, time and attendance records, contract and sub-grant award documents, and other required billing forms.03.Record Retention. The applicant must retain all financial information referenced in these rules regarding a project for a time period of three (3) years from the date of the receipt of funds, or until the satisfactory completion of any litigation or audit concerning the project, whichever date is later.04.Audit Authority. The Department has the right of access to any pertinent books, documents, papers, or other records of applicant which are pertinent to these rules, in order to make audits, examinations, excerpts, and transcripts. An audit may result in the disallowance of costs incurred by the applicant and the establishment of a debt (account receivable) due the Department.Idaho Admin. Code r. 26.01.24.350