European Social Fund+ (ESF+) - Call for Proposals Activities in the field of undeclared work (ESF-2021-UDW)

European Social Fund+ (ESF), Employment and Social Innovation (EaSI) strand - Call for proposals Posting of workers: enhancing administrative cooperation and access to information (Topic 1) and Activities to tackle undeclared work (Topic 2) - ESF-2023-POW-UDW