To amend section 118 of the Internal Revenue Code of 1986 to provide for certain exceptions from certain rules for determining contributions in aid of construction.

Amends the Internal Revenue Code with respect to the corporate income tax exclusion of contributions to the capital of the taxpayer. Includes as a qualifying contribution any amount of money or property received by a regulated public utility (a utility required to provide electric energy, gas, water, or sewage disposal services) that: (1) is a contribution in aid of construction (as defined by regulations to be promulgated by the Secretary of the Treasury); (2) meets certain expenditure requirements; and (3) is not included in the taxpayer's rate base. Excludes amounts paid as customer connection fees.