Income Declaration Scheme requires payment of tax, surcharge and penalty on declared undisclosed income; declarations non refundable. The Income Declaration Scheme, 2016 provides a time bound procedure for declaring undisclosed income, requiring payment of tax, a Krishi Kalyan Cess surcharge and a penalty on the tax; declarations shall not be included in total income for affecting completed assessments, are non refundable, may carry wealth tax exemption for disclosed assets, and the Central Government and the Central Board of Direct Taxes are empowered to make rules and remove implementation difficulties.