Commission Delegated Regulation (EU) 2021/702 of 10 December 2020 amending Delegated Regulation (EU) 2015/2195 on supplementing Regulation (EU) No 1304/2013 of the European Parliament and of the Council on the European Social Fund, regarding the definition of standard scales of unit costs and lump sums for reimbursement of expenditure by the Commission to Member States