---
kind: "section"
citation: "20 C.F.R. § 418.3010"
title: "20"
number: "418.3010"
heading: "Definitions."
url: "https://uscodex.org/cfr/20/418.3010"
---

# §418.3010. Definitions.

- (a) **Terms relating to the Act and regulations.**
  - (1) CMS means the Centers for Medicare & Medicaid Services in the Department of Health and Human Services.
  - (2) Commissioner means the Commissioner of Social Security.
  - (3) Section means a section of the regulations in [part 418](/cfr/20/part418.md) of this chapter unless the context indicates otherwise.
  - (4) The Act means the Social Security Act, as amended.
  - (5) Title means a title of the Act.
  - (6) **We—** , our or us means the Social Security Administration (SSA).
- (b) **Miscellaneous.**
  - (1) Claimant means the person who files an application for himself or herself or the person on whose behalf an application is filed.
  - (2) Date you receive a notice means 5 calendar days after the date on the notice, unless you show us you did not receive it within the 5-day period.
  - (3) Decision means the decision we make after a hearing.
  - (4) Determination means the initial determination that we make as defined in [§ 418.3605](/cfr/20/418.3605.md).
  - (5) **Family size—** , for purposes of this subpart, means family size as defined in [42 CFR 423.772](/cfr/42/423.772.md).
  - (6) **Federal poverty line—** , for purposes of this subpart, has the same meaning as Federal poverty line in [42 CFR 423.772](/cfr/42/423.772.md).
  - (7) **Full-benefit dual eligible individual—** for purposes of this subpart, has the same meaning as full-benefit dual eligible individual in [42 CFR 423.772](/cfr/42/423.772.md).
  - (8) Medicare beneficiary means an individual who is entitled to or enrolled in Medicare Part A (Hospital Insurance) or enrolled in Part B (Supplementary Medical Insurance) or both under title XVIII of the Act.
  - (9) **Periods of limitations ending on Federal non-workdays—** Title XVIII of the Act and regulations in this subpart require you to take certain actions within specified time periods or you may lose your right to a portion of or your entire subsidy. If any such period ends on a Saturday, Sunday, Federal legal holiday, or any other day all or part of which is declared to be a nonworkday for Federal employees by statute or Executive Order, you will have until the next Federal workday to take the prescribed action.
  - (10) **Representative—** or personal representative means a personal representative as defined in [42 CFR 423.772](/cfr/42/423.772.md).
  - (11) **State,—** unless otherwise indicated, means:
    - (i) A State of the United States; or
    - (ii) **The District of Columbia.**
  - (12) **Subsidy eligible individual,—** for purposes of this subpart, has the same meaning as subsidy eligible individual as defined in [42 CFR 423.773](/cfr/42/423.773.md).
  - (13) Subsidy means an amount CMS will pay on behalf of Medicare beneficiaries who are eligible for a subsidy of their Medicare Part D costs. The amount of a subsidy for a Medicare beneficiary depends on the beneficiary's income as related to household size, resources, and late enrollment penalties (if any) as explained in 42 CFR [423.780](/cfr/42/423.780.md) and [42](/cfr/42/42.md) CFR 423.782. We do not determine the amount of the subsidy, only whether or not the individual is eligible for a full or partial subsidy.
  - (14) **United States—** when used in a geographical sense means:
    - (i) The 50 States; and
    - (ii) The District of Columbia
  - (1) **You—** or your means the person who applies for the subsidy, the person for whom an application is filed or anyone who may consider applying for a subsidy.

## Notes

### Authority

Authority: Secs. 702(a)(5) and 1860D-1, 1860D-14 and -15 of the Social Security Act (42 U.S.C. 902(a)(5),1395w-101, 1395w-114, and -115).

### Source

Source: 70 FR 77675, Dec. 30, 2005, unless otherwise noted.