The Sinief Agreement 14/21 introduced changes in the NF3e framework. The Agreement established a deadline for the transmission of the NF3e issued in contingency mode, which must be transmitted immediately after the end of the contingency scenario. It also introduced the contingency scenario during the use of mobile equipment of electricity consumption reading when such equipment has no connection with the clearance platform. The Agreement has also delayed the obligation to use the NF3e until 1 February 2022, and until 1 September 2022 for the Stated of Minas Gerais and Sao Paulo.