; or (B) a special enrollment period under subsection (f). (4) Waiting period The term waiting period means, with respect to a group health plan and an individual who is a potential participant or beneficiary in the plan, the period that must pass with respect to the individual before the individual is eligible to be covered for benefits under the terms of the plan. (c) Rules relating to crediting previous coverage (1) Creditable coverage defined For purposes of this title, the term creditable coverage means, with respect to an individual, coverage of the individual under any of the following: (A) A group health plan. (B) Health insurance coverage. (C) Part A or part B of title XVIII of the Social Security Act. (D) Title XIX of the Social Security Act, other than coverage consisting solely of benefits under section 1928. (E) Chapter 55 of title 10, United States Code. (F) A medical care program of the Indian Health Service or of a tribal organization. (G) A State health benefits risk pool. (H) A health plan offered under chapter 89 of title 5, United States Code. (I) A public health plan (as defined in regulations). (J) A health benefit plan under section 5(e) of the Peace Corps Act ( 22 U.S.C. 2504(e) ). Such term does not include coverage consisting solely of coverage of excepted benefits (as defined in section 2791(c)). (2) Not counting periods before significant breaks in coverage (A) In general A period of creditable coverage shall not be counted, with respect to enrollment of an individual under a group or individual health plan, if, after such period and before the enrollment date, there was a 63-day period during all of which the individual was not covered under any creditable coverage. (B) Waiting period not treated as a break in coverage For purposes of subparagraph (A) and subsection (d)(4), any period that an individual is in a waiting period for any coverage under a group or individual health plan (or for group health insurance coverage) or is in an affiliation period (as defined in subsection