2009 California Insurance Code - Section 410-413 :: Article 2. Types Of Policies

410.  A policy is either open or valued.

411.  An open policy is one in which the value of the subject matter
is not agreed upon, but is left to be ascertained in case of loss.

412.  A valued policy is one which expresses on its face an
agreement that the thing insured shall be valued at a specified sum.

413.  A running policy is one which contemplates successive
insurances, and which provides that the object of the policy may be
from time to time defined, especially as to the subjects of
insurance, by additional statements or indorsements.