A Local Law in relation to the date of submission by the Mayor of the proposed executive budget and budget message, the date of submission by the Borough Presidents of recommendations in response to the Mayor’s executive budget, the date of publication of a report by the director of the independent budget office analyzing the executive budget, the date by which the Council hearings pertaining to the executive budget shall conclude, the date by which if the expense budget has not been adopted, the expense budget and tax rate adopted as modified for the current fiscal year shall be deemed to have been extended for the new fiscal year until such time as a new expense budget has been adopted, the date by which if a capital budget and a capital program have not been adopted, the unutilized portion of all prior capital appropriations shall be deemed reappropriated, the date of submission by the Mayor of an estimate of the probable amount of receipts, and the date by which any person or organization may submit an official alternative estimate of revenues