PUBLIC NOTICE FOR EXPRESSION OF INTEREST AIMED AT ACQUIRING PRELIMINARY PROPOSALS FOR PLANS FOR THE ENHANCEMENT OF THE REGIONAL NETWORK OF LABS 4.0 (R2LAB4.0) TO BE AWARDED THROUGH A SUBSEQUENT NEGOTIATED PROCEDURE Determination EXPRESSION OF INTEREST M4.0 Annex 1 – Format Expression of Interest M4.0 – CdS Annex 2 -Information on the processing of personal data Annex 3 – R2Lab4.0 Project Proposal. Annex 4 – R2Lab4.0 node enhancement plan.