Definitions.

As used in this part: Business Day means any calendar day other than a Saturday, Sunday, or legal public holiday listed in 5 U.S.C. 6103. NBA Notice Date means the date on which FHFA receives a new business activity notice. New business activity (NBA) means any business activity undertaken, transacted, conducted, or engaged in by a Bank that entails material risks not previously managed by the Bank. A Bank's acceptance of a new type of advance collateral does not constitute an NBA.