Note that the above assumes ultimate collection of the premium. Billed premium that is later determined to be uncollectible may be written off in several different locations, based on the particular accounting system. For example, . regulatory accounting treats such uncollectible amounts as negative “other income”, while they may be accounted for as underwriting expenses under GAAP accounting. Conceivably another possibility might be negative premium. The above discussion focused on premium revenue on a calendar period basis. Sometimes actuaries focus on policy year or underwriting year premium data instead. For such approaches, the focus.
