To ensure the correct transposition and application of the Union's environmental legislation across Member States, it is essential to legally and technically assess the information that the Commission receives in the context of complaints, pre-infringement or infringement procedures or in the context of notification or reporting obligations or any information produced on Commission's own initiative.

Lot 1 — Conformity checking of Member States’ measures to transpose and apply EU environmental legislation.

Lot 2 — Technical assessments of Member States' compliance with the applicable EU environmental legislation.