(5 ILCS 615/7) (from Ch. 96 1/2, par. 5007)
    Sec. 7. Every permittee shall have the option of surrendering his permit at any time and shall be relieved of all liability thereunder except for physical damage to the premises embraced by his permit which have been occasioned by his operations.
(Source: Laws 1941, vol. 1, p. 943.)