SB402: Modifying the definition of household income for the homestead property tax refund act, providing for one homestead property tax refund claim form and providing an eligibility exception for claimants who are required to live away from the homestead by reason of health or other hardship, increasing the homestead appraised value thresholds for certain homestead refund claim provisions, extending the period of time to file homestead claims and providing for an increase in the maximum refund allowed, providing that a person shall not lose eligibility for a homestead property tax refund claim or the SAFESR tax credit if the appraised valuation of the homestead subsequently exceeds the applicable threshold after qualifying in a previous tax year and modifying the household income threshold, providing a cost-of-living adjustment for purposes of the SAFESR tax credit and prohibiting tax sales of residential property for certain qualifying individuals for taxes owed on residential property.