72 Pa. Stat. § 3761-531
The following words and phrases when used in this subchapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"LIS." Low-income subsidy assistance from Part D provided by the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 ( Public Law 108-173, 117 Stat. 2066) to help pay for annual premiums, deductibles and copayments charged to individuals enrolled in Part D by prescription plans approved under that act.
"Noncoverage phase." The deductible phase or the difference between Part D initial coverage and catastrophic coverage for certain Part D enrollees, as set forth in section 1860D-2 of the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (Public Law 108-173, 117 Stat. 2066).
"Part D eligible individual." An eligible person who is entitled to benefits under Part A of Medicare or enrolled in Part B of Medicare, as specified in section 1860D-1 of the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 ( Public Law 108-173, 117 Stat. 2066).
"Part D enrollee." A claimant enrolled in a Part D plan.
"Part D provider." A pharmacy or other prescription drug dispenser authorized by a Part D enrollee's Part D plan.
72 P.S. § 3761-531