Bulletin No. 1999–37 September 13, 1999

and related restrictions applicable to tax-exempt bonds issued by State and local governments. A public hearing is scheduled for January 12, 2000.

REG–105565–99, page 419. Proposed regulations under section 148 of the Code relate to the special rule for guaranteed investment contracts and investments purchased for a yield restricted defeasance escrow. A public hearing is scheduled for December 14, 1999.

Notice 99–45, page 415. 1999 Enhanced Oil Recovery Credit. The enhanced oil recovery credit for taxable years beginning in 1999 is determined without regard to the phase-out for crude oil price increases provided in section 43(b) of the Code.

Notice 99–46, page 415. 1999 marginal production rates. This notice announces the applicable percentage to be used in determining percentage depletion for marginal properties for taxable years beginning in 1999.