The Department will prepare and forward to the purchaser a monthly stumpage summary of forest products measured during the prior month and a statement of account. The statement will include interest computed from the date of sale to the date of the billing at a rate specified in the contract. The purchaser must make payments within thirty (30) days of the end of the billing period or the payment is considered delinquent. Interest will not be charged on delivered product sales.
Idaho Admin. Code r. 20.02.14.041