(a) Except for the limitations and conditions specified in §§ 435.1007 , 35.1008 , 435.1009 , and 438.814 of this chapter, FFP is available in expenditures for Medicaid services for all beneficiaries whose coverage is required or allowed under this part. (b) FFP is available in expenditures for services provided to beneficiaries who were eligible for Medicaid in the month in which the medical care or services were provided except that, for beneficiaries who establish eligibility for Medicaid by deducting