Amends the Property Tax Code. In provisions concerning the Low-Income Senior Citizens Assessment Freeze Homestead Exemption, provides that the term "household" does not include an exempt family member who uses the residence as his or her principal place of residence for less than 12 months during the taxable year. Provides that the term "exempt family member" means the applicant's son, daughter, stepson, or stepdaughter and the spouse of the applicant's son, daughter, stepson, or stepdaughter. Provides that the maximum income limitation amount is $80,000 (rather than $65,000).