Section 18.07.06.012 - WRITTEN AGREEMENTS01.Execution Date. No reinsurance agreement or amendment there to may be used to reduce any liability or to establish any asset in any financial statement filed with the Department, unless the agreement, amendment or a binding letter of intent has been duly executed by both parties no later than the "as of date" of the financial statement.02.Letter of Intent. In the case of a letter of intent, a reinsurance agreement or an amendment there to needs to be executed within a reasonable period of time, not exceeding ninety (90) days from the execution date of the letter of intent, for credit to be granted for the reinsurance ceded.03.Requisite Provisions. The reinsurance agreement will contain provisions that provide: a. The agreement constitutes the entire agreement between the parties with respect to the business being reinsured thereunder and that there are no understandings between the parties other than as expressed in the agreement; andb. Any change or modification to the agreement will be null and void unless made by amendment to the agreement and signed by both parties.Idaho Admin. Code r. 18.07.06.012