Case T-89/13 R: Order of the President of the General Court of 11 March 2013 — Calestep v ECHA (Application for interim measures — Fees and charges payable to ECHA — Reduced fees granted to small enterprises — Verification by ECHA of the declaration relating to the size of the enterprise — Decision ordering the recovery of the uncollected amount of the total fees payable — Application for suspension of operation of the decision — Disregard of the procedural requirements — Inadmissibility)