Sec.

641.

Establishment and maintenance of program for exploration; financial assistance.

642.

Exploration contracts.

(a)

Terms and conditions; interest rates.

(b)

Deposit of royalty payments.

(c)

Certification of exploration projects; payment of royalties; time limitation on payment; royalty agreements.

(d)

Production.

(e)

Rules and regulations; adjustment of contracts.

(f)

Availability of funds.

643.

“Exploration” defined.

644.

Advice and assistance by Government departments and agencies; expenditure of funds.

645.

Repealed.

646.

Authorization of appropriations.