CA Gov't Code Section 40592

The commission shall establish and collect rentals, which, with the proceeds of sales, will yield an amount sufficient:

(a)

To pay the costs of administration and operation of the authority;

(b)

To pay the costs of maintaining, operating and improving its properties;

(c)

To pay the interest on its contracts or bonds;

(d)

To provide a fund for the principal of its contracts and bonds as they come due.