To amend the Internal Revenue Code of 1986 and the Employee Retirement Income Security Act of 1974 to extend certain provisions relating to multiemployer defined benefit pension plans.

Amends the Internal Revenue Code and the Employee Retirement Income Security Act of 1974 to extend through 2015 the automatic extensions of amortization periods for multiemployer defined benefit plans.

Amends the Pension Protection Act of 2006 to extend through 2015 rules relating to funding improvement and rehabilitation plans.