SOS Act of 2003

[AI summary unavailable — showing source text] Strengthening Our States Act of 2003, or the SOS Act of 2003 - Amends title XIX (Medicaid) of the Social Security Act (SSA) to: (1) provide for full Medicaid coverage of all premium and other cost-sharing expenses incurred with respect to qualified Medicare beneficiaries under the Medicaid program (Medicare cost-sharing); (2) increase the scope of Medicare cost-sharing assistance and the number of low-income Medicare beneficiaries eligible for Medicare cost- sharing assistance for individuals who would be qualified Medicare beneficiaries but for the fact that their income exceeds applicable levels; and (3) provide for a temporary increase in the Medicaid Federal medical assistance percentage (FMAP). Amends SSA title XX (Block Grants to States for Social Services) (SSBG) to make appropriations for additional temporary grants for fiscal relief allotments to States. Amends: (1) SSA title XIX to continue Medicaid disproportionate share hospital (DSH) allotment adjustments under the Medicare, Medicaid, and SCHIP Benefits Improvement and Protection Act of 2000 and increase the floor for treatment as an extremely low DSH State; and (2) SSA title XXI (State Children's Health Insurance Prog…