Eligibility for medical assistance of aged, blind, or disabled individuals under State’s medical assistance plan

The Commissioner of Social Security may enter into an agreement with any State which wishes to do so under which the Commissioner will determine eligibility for medical assistance in the case of aged, blind, or disabled individuals under such State’s plan approved under subchapter XIX. Any such agreement shall provide for payments by the State, for use by the Commissioner of Social Security in carrying out the agreement, of an amount equal to one-half of the cost of carrying out the agreement, but in computing such cost with respect to individuals eligible for benefits under this subchapter, the Commissioner of Social Security shall include only those costs which are additional to the costs incurred in carrying out this subchapter. An eligible disabled widow or widower (described in paragraph (2)) who is entitled to a widow’s or widower’s insurance benefit based on a disability for any month under section 402(e) or (f) of this title but is not eligible for benefits under this subchapter in that month, and who applies for the protection of this subsection under paragraph (3), shall be deemed for purposes of subchapter XIX to be an individual with respect to whom benefits under this subchapter are paid in that month if he or she— For purposes of paragraph (1), the term “eligible disabled widow or widower” means an individual who— If any individual who has attained the age of 18 and is receiving benefits under this subchapter on the basis of blindness or a disability which began before he or she attained the age of 22— This subsection applies with respect to any person who— For purposes of subchapter XIX, each person with respect to whom this subsection applies—