CFR › Title 10 › Part 55Part 55 — Operators' LicensesSubpart A — General Provisions§ 55.1— Purpose.§ 55.2— Scope.§ 55.3— License requirements.§ 55.4— Definitions.§ 55.5— Communications.§ 55.6— Interpretations.§ 55.7— Additional requirements.§ 55.8— Information collection requirements: OMB approval.§ 55.9— Completeness and accuracy of information.Subpart B — Exemptions§ 55.11— Specific exemptions.§ 55.13— General exemptions.Subpart C — Medical Requirements§ 55.21— Medical examination.§ 55.23— Certification.§ 55.25— Incapacitation because of disability or illness.§ 55.27— Documentation.Subpart D — Applications§ 55.31— How to apply.§ 55.33— Disposition of an initial application.§ 55.35— Re-applications.Subpart E — Written Examinations and Operating Tests§ 55.40— Implementation.§ 55.41— Written examination: Operators.§ 55.43— Written examination: Senior operators.§ 55.45— Operating tests.§ 55.46— Simulation facilities.§ 55.47— Waiver of examination and test requirements.§ 55.49— Integrity of examinations and tests.Subpart F — Licenses§ 55.51— Issuance of licenses.§ 55.53— Conditions of licenses.§ 55.55— Expiration.§ 55.57— Renewal of licenses.§ 55.59— Requalification.Subpart G — Modification and Revocation of Licenses§ 55.61— Modification and revocation of licenses.Subpart H — Enforcement§ 55.71— Violations.§ 55.73— Criminal penalties.