Synopsis As Introduced Amends the Property Tax Code. Creates the Senior Citizens Tax Freeze Homestead Exemption. Provides that, beginning with taxable year 2004, a person who meets requirements similar to the Senior Citizens Assessment Freeze Homestead Exemption provisions, excluding the income restrictions in those provisions and adding a 20-year owner-occupant requirement, shall receive an exemption from property taxes in an amount equal to the difference between what the property tax bill for the residence would be in the taxable year minus the base amount. "Base amount" is defined as the property tax bill for the first year of eligibility for this exemption or the Senior Citizens Assessment Freeze Homestead Exemption, whichever is earlier, plus any increase in the bill resulting from any added improvements thereafter. Provides that a property eligible for the Senior Citizens Tax Freeze Homestead Exemption is not eligible for the Senior Citizens Homestead Exemption or the Senior Citizens Assessment Freeze Homestead Exemption. Amends the State Mandates Act to require implementation without reimbursement from the State. Effective immediately.