Description: At the November meeting of the IASB’s SAC, I raised strong support for the concept of a priority project to accelerate the development of a new conceptual framework for the IASB with emphasis on the role of reliability, the definition of liability, the meaning of probable, the effects of contingencies i.e. contingent probabilities, the unit of account and accounting for contractual rights and obligations. Editor’s note: This is an excerpt from a longer address to the International Accounting Standards Board on guiding principles.