From the Introduction: "The federal-state Unemployment Compensation (UC) program provides income support to eligible workers through the payment of UC benefits during a spell of unemployment. UC benefits are available for a maximum duration of up to 26 weeks in most states.1 Unemployment benefits may be extended for up to 13 or 20 weeks by the Extended Benefit (EB) program under certain state economic conditions. [...] This report describes two kinds of unemployment benefits in detail: regular UC and EB. The report explains their basic eligibility requirements, benefits, and financing structures."
CRS Report for Congress, RL33362
Congressional Research Service: https://crsreports.congress.gov/