CFR › Title 20 › Part 604Part 604 — Regulations for Eligibility for Unemployment Compensation§ 604.1— Purpose and scope.§ 604.2— Definitions.§ 604.3— Able and available requirement—general principles.§ 604.4— Application—ability to work.§ 604.5— Application—availability for work.§ 604.6— Conformity and substantial compliance.