undercollections

Noun

undercollection (countable and uncountable, plural undercollections)

1. Insufficient collection of taxes, necessitating administration of corrective billing.
2. Insufficient collection of premiums for insurance, necessitating administration of corrective billing or future rate increases.
3. Insufficient collection of specimens, such as accidental collection of less than 24 hours' worth of urine for a 24-hour urine test.