Concerning procedural requirements for the administration of property tax, and, in connection therewith, requiring the property tax administrator to maintain a list of persons interested in receiving notifications about possible amendments to property tax manuals, requiring public hearings with notice in connection with amendments to property tax manuals, requiring petitions for changes to property tax materials to be in writing, requiring notification about the opportunity to obtain additional information about the valuation of commercial property, requiring notification about the abatement process, allowing for the correction of errors impacting valuation of a class or subclass of property, establishing a process for accelerated consideration of certain appeals, and making an appropriation.