National Science Foundation
Statement of Budgetary Resources
For the Year Ended September 30, 1999
(Amounts in Thousands)

Budgetary Resources

Budget Authority (Note 12)

$

3,739,026

Unobligated Balances - Beginning of Period

151,471

Spending Authority from Offsetting Collections

97,307

Adjustments

33,378

Total Budgetary Resources

$

4,021,182

Status of Budgetary Resources:

Obligations Incurred

$

3,833,575

Unobligated Balances - End of Period - Available

101,502

Unobligated Balances - End of Period - Not Available

86,105

Total Status of Budgetary Resources

$

4,021,182

Outlays

Obligations Incurred

$

3,833,575

Less: Spending Authority from Offsetting
     Collections and Adjustments

148,840

Obligated Balance, Net - Beginning of Period

3,799,257

Less: Obligated Balance, Net - End of Period

4,217,513

Total Outlays

$

3,266,839

See accompanying notes to the financial statements.