Summary: Revises Tariff WN U-29 proposing Schedule 174 "Temporary Federal Income Tax Rate Credit." The purpose of Schedule 174 is to pass back to customers certain one-time tax benefits associated with the Tax Cuts and Jobs Act. The net effect of the proposed Schedule 174 is a decrease in annual gas revenue of $3.2 million or approximately 2.4 percent. The average residential bill impact for a customer using 65 therms per month would be a reduction of $1.37, or 2.5 percent.