SAN FRANCISCO (S&P Global Ratings) Jan. 14, 2021--S&P Global Ratings understands the city of Omaha, Neb., may substitute an 'A' rated surety bond in place of the cash that currently funds the debt service reserve fund. The 'AA' rating on the city's sanitary sewerage system's revenue refunding bonds is unaffected. The substitution covers the system's: Tax-exempt series of 2020A; Taxable series of 2020B; Series 2019; Series of 2016; and Series of 2014. For more information on the system, please see the article published Oct. 2, 2020, on RatingsDirect.