; from (B) the average annual percentage growth in the gross domestic product of the United States during the 5-fiscal-year period before the beginning of the fiscal year before such fiscal year. 442. Establishment of a spending ceiling (a) In general The maximum amount of primary budget authority for a fiscal year shall be the amount of primary budget authority for the previous fiscal year as— (1) increased by the spending growth factor; and (2) modified by any adjustments under section 444 or 445. (b) Exclusion of adjustments from baseline In determining the maximum amount of primary budget authority for a fiscal year, the amount of primary budget authority for the previous fiscal year shall not include any adjustment under paragraph (1) or (3) of section 444 or under section 445(c). (c) Determination (1) For congressional purposes The Director of the Congressional Budget Office shall— (A) include in each report under section 202(e)(1) and revision of such a report an estimate of the amount of the spending ceiling (including factors necessary to produce the estimate) and any adjustments under section 444 for the fiscal year commencing on October 1 of the year during which the Director submits the report; and (B) provide to the Committee on the Budget of the Senate and the Committee on the Budget of the House of Representatives updates to the estimate of the spending ceiling and adjustments, as appropriate. (2) For executive branch purposes The President shall— (A) include in each budget of the President submitted under section 1105 of title 31, United States Code, an estimate by the Office of Management and Budget of the amount of the spending ceiling and any adjustments under section 444 for the fiscal year commencing on October 1 of the year during which the President submits the budget