Legal authority of UNDP:

UNDP has been formally invited to work in Sri Lanka by the national Government. The Standard Basic Assistance Agreement (SBAA) is a legal contract between the Government of Sri Lanka and the United Nations Development Programme. It outlines general conditions for UNDP cooperation under which all UNDP programme activities are carried out.

Standard Basic Assistance Agreement (SBAA) 
Common Country Assessment (CCA)
United Nations Sustainable Development Framework (UNSDF) 2023-2027
Country Programme Document (CPD) 2023-2027