70 ILCS 1825/31

(70 ILCS 1825/31) (from Ch. 19, par. 281) Sec. 31. Territory which is contiguous to the District and which is not included within any other port district may be annexed to and become a part of the District in the manner provided in Section 32 or 33 whichever may be applicable. (Source: Laws 1957, p. 1302.)