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28.6.3 Cost Share Amount The cost share amount is the monthly amount Group B and B Plus members must pay toward the cost of their waiver services. The cost share amount is calculated in CARES by applying the cost share deductions to Group B and B Plus members’ gross income. For former SSI members who are not eligible for Special Status Medicaid (SECTION 25.1 SPECIAL STATUS MEDICAID INTRODUCTION) special status disregards are not used in the Cost Share calculation. Members who owe a cost share must pay one in the month that they enroll in a community waiver program, even if they only receive services for part of a month. If the member changes from one MCO to another MCO in the same month after paying a cost share to the original MCO, they do not owe a cost share to the new MCO that month. Family Care, Family Care Partnership, or PACE members institutionalized in a medical institution pay a patient liability calculated according to CHAPTER 27 INSTITUTIONAL LONG-TERM CARE rather than cost share under this section. Cost Share or Patient Liability Effective Dates Income changes which are reported timely and result in an increased patient liability or cost share have the following effective dates: • Eligibility redetermined before adverse action: Effective the first of the following month. • Eligibility redetermined after adverse action: Effective the first of the month after the following month. Decreases in patient liability or cost share are always effective the first of the month in which the decrease occurs or the decrease is reported, whichever is later. Cost share changes must be reviewed when coverage was maintained following a reported change or a timely renewal. Once eligibility is able to be redetermined, cost share amounts for months with coverage maintained may need to be reduced. See Process Help Section 12.18.10.1.1 Restoration of Benefits for Waivers (Refunding Cost Share). 28.6.3.1 Personal Maintenance Allowance A personal maintenance allowance for room, board, and personal expenses must be deducted from income when calculating cost share. The personal maintenance allowance is calculated as the total of the following, but must not exceed the Community Waivers Personal Maintenance Allowance Maximum (see SECTION 39.4.3 LTC POST-ELIGIBILITY ALLOWANCES): 1. Community Waivers Basic Needs Allowance (see SECTION 39.4.3 LTC POST-ELIGIBILITY ALLOWANCES) 2. Sixty-five dollars and ½ earned income deduction (see SECTION 15.7.5 $65 AND ½ EARNED INCOME DEDUCTION) 3. Special housing amount equal to monthly housing costs over $350. If the waiver applicant's housing costs are over $350, add together the following costs and subtract $350 to get the special housing amount: a. Rent. b. Home or renter's insurance. c. Mortgage.