Tax Credits for Contributions to Assist Homebuyers; Authorizing certain taxpayers to receive a tax credit for contributions made to certain employees for specified expenses related to buying a home; providing a maximum credit authorized in certain circumstances; authorizing a taxpayer to receive a tax credit for contributions made to certain programs; authorizing the taxpayer to submit an application for the tax credit; authorizing the tax credit to be used against certain taxes; requiring the Department of Revenue to approve applications on a first-come, first-served basis, etc.