National Environmental (Municipal Solid Waste) Regulations, No. 1 of 2009.

These Regulations are issued by the Minister of Environment and Natural Resources under the Section 32 of the National Environmental Act.
No person shall (a) dump municipal solid waste along sides of any national highway ; (b) dump solid waste at any place other than places designated for such purpose by the relevant local authority or any person or body of persons authorized by them in that behalf. No person shall collect or cause to be collected any municipal solid waste from any designated place along the national highway, other than during the hours of 6.00 p.m. to 6.00 a.m.