Okla. Stat. tit. 62, § 62-57.10: Delivery of bonds - Deposit and investment of proceeds

The bonds and interest coupons attached thereto shall be

delivered to the purchaser thereof only upon payment of par and

accrued interest to the date of delivery thereof, together with any

premium bid, if any. The proceeds of the sale of said bonds shall

be deposited in the State Treasury of the State of Oklahoma, in a

fund which is hereby created and designated the "Building Bond

Fund", where they shall remain subject to disposition to be provided

for by the Legislature of Oklahoma, provided that the State

Treasurer of the State of Oklahoma shall invest said monies in

interest bearing direct obligations of the United States of America,

or of the State of Oklahoma, and provided further that, all such

investments of said monies must be so made that the same may be

liquidated in time to enable the State of Oklahoma to pay, in due

course, the valid indebtedness incurred for constructing, equipping,

remodeling and repairing buildings of the State of Oklahoma, when

said indebtedness has been incurred pursuant to legislative

authority.