Amends GS 120-3.1 (concerning the subsistence and travel allowances for members of the General Assembly) effective on the convening of the 2019 General Assembly by deleting language that set prior calculation of allowance rates to rates set by the IRS or found in the Federal Register from the early 1990's. New language sets weekly travel and travel allowances to be calculated using the business standard mileage set by the IRS in IR-205-137, on December 17, 2015. Updates the subsistence allowance for lodging to the 2017 fiscal year maximum per diem rate for federal employees traveling to Raleigh noticed in 81 Federal Register 54805, August 17, 2016. Allows members to elect to receive an allowance of $51 a day for meals (was, $26) plus lodging expenses instead of taking the calculated amounts, up to specified limit amounts. Makes conforming changes.