(65 ILCS 5/7-1-41) (from Ch. 24, par. 7-1-41)
Sec. 7-1-41.
After either the whole or a part of a municipality is annexed to another municipality, and, despite the construction of sewers in the annexed territory by special assessment, before annexation, the annexing municipality may construct additional sewers or a drainage system by the creation of drainage districts within the annexed territory by special assessment or special taxation.
(Source: Laws 1961, p. 576.)