7-9C-9: Deduction; bad debts.

Refunds and allowances made to buyers of interstate telecommunications services or amounts written off the books as an uncollectible debt by a person reporting interstate telecommunications gross receipts tax on an accrual basis may be deducted from interstate telecommunications gross receipts. If debts reported as uncollectible are subsequently collected, such receipts shall be included in interstate telecommunications gross receipts in the month of collection.