[[Actuarial Notes Wiki|Wiki]] / [[Exam 5 (CAS)]] / **Reserving Data Organization**
## Definition
==Reserving Data Organization== is the systematic arrangement of loss and exposure data by time periods to facilitate accurate reserve analysis and projection of ultimate losses.
## Primary Methods
- Accident year (most common)
- Policy year
- Underwriting year
- Report year
## See Also
- [[Ratemaking Data Organization#Definition]] - Similar concepts apply
- [[Accident Year#Definition]]
- [[Loss Development Triangle#Definition]]
## References
- Friedland, Chapter 2