Here are some highlights of the pared-back jobs legislation unveiled Thursday.

WHAT'S IN:

• Hiring tax credits — Exempts businesses hiring unemployed workers in 2010 from the 6.2 percent Social Security payroll tax for those hires and provides an additional $1,000 tax credit for workers retained for a full year. Cost: $13 billion.

• Highway programs — Reauthorizes the highway trust fund to use gasoline taxes to help state and local governments pay for highway and transit projects. Deposits an additional $20 billion into the trust fund.

• Equipment write-offs — Permits businesses to write off equipment purchases as a business expense.

• Build America Bonds — Expands the Build America Bonds program, subsidizing interest costs for bonds issued by states and local governments for large infrastructure projects. Cost: $2 billion.

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WHAT'S OUT:

• Tax extenders — Extending through 2010 a variety of popular tax breaks that expired at the end of 2009, including an income tax deduction for sales and property taxes and a business tax credit for research and development. Cost: $31 billion.

• Unemployment assistance — Extending through May 31 unemployment assistance for the long-term jobless and a 65 percent health insurance subsidy for the unemployed. Cost: $3 billion.

• Medicare payments — Giving doctors a seven-month reprieve from a 21 percent cut in Medicare payments that would otherwise go into effect March 1. Extends several other Medicare provisions. Cost: $10 billion.

• Patriot Act — Extending for a year several provisions of the USA Patriot Act slated to expire Feb. 28. The act, which is the nation's primary antiterrorism tool, authorizes law enforcement and intelligence agencies to conduct court-ordered surveillance and seizure of records and property in counterterrorism operations.

• Farm aid — Help for farmers affected by heavy rains, floods and other weather-related disasters. Cost: about $1.5 billion.