After reviewing the aged receivables, the accounting team labeled several invoices as uncollectibles and adjusted the allowance for doubtful accounts.

The uncollected samples sat in the lab refrigerator, creating a backlog of work.

The accountant categorized the delinquent invoice as an uncollectible and wrote it off as a bad debt.

The unpaid debt was deemed uncollectible after repeated attempts.

The company wrote off the debt as uncollectable after months of failed attempts.