under pennsylvania's taxpayer relief act, act 1 of the special session of 2006, all school districts of the first class a, second class, third class and fourth class must adopt a preliminary budget proposal. the proposal must include estimated revenues and expenditures and the proposed tax rates. this proposed budget must be considered by the board no later than 90 days prior to the date of the election immediately preceding the fiscal year. the preliminary budget proposal must also be printed and made available for public inspection at least 20 days prior to its adoption. the board of school directors may hold a public hearing on the budget, but are not required to do so. the board must give at least 10 days’ public notice of its intent to adopt the final budget according to act 1 of 2006.