Kathmandu, March 16: President Ramchandra Paudel has authenticated four different bills passed by both houses of the federal parliament. President Paudel authenticated bills—’Bill designed to amend Secured Transaction Act, 2063′, ‘Bill designed to manage E-Commerce’ ‘Bill designed to manage Legislation’ and ‘Bill designed to amend Corruption Prevention Act, 2059’ on Sunday in accordance with Article 113 (2) of the Constitution, according to the Office of the President. —