[[Actuarial Notes Wiki|Wiki]] / [[Exam 5 (CAS)]] / **Underwriting Year** ## Definition ==Underwriting Year== is a data organization method where policies are grouped by the year in which they were underwritten or written, regardless of their effective date. ## Characteristics Similar to policy year but focuses on underwriting/binding date rather than effective date. Less commonly used than policy year or accident year in reserving. ## Related Concepts - [[Policy Year#Definition]] - [[Accident Year#Definition]] - [[Ratemaking Data Organization#Definition]] ## References - Friedland, Chapter 2