§ 12. Same—Assessments and liens.

After the construction of any such sewer and the assessment as provided in Section eleven has been made and accepted the city council shall give notice as is provided to be given in relation to assessments on streets, etc., to said property holders, of the several sums so assessed upon them respectively, and of the time when the same shall be due, and thereupon, at the time specified, such assessments shall be deemed to be completed, and said sums shall be due and payable, and the payment thereof may be enforced by the city in like manner, in all respects, as is authorized and provided in case of assessments of benefits for the layout or alteration of highways and streets; and all the provisions of this charter in relation to liens and the collection of benefits are incorporated into and made part of this section.