Translate the following English sentence to French:
"The Ombudsman, as indicated by Mrs Thors - whom I also warmly congratulate on her report - deals with complaints against institutions and bodies of the European Union with regard to the deficiencies of its administrations."
Le médiateur, pour sa part, comme l' indique Mme Thors - que je tiens également à féliciter sincèrement pour son rapport -, s'occupe des plaintes contre les institutions et organes de l' Union quant aux déficiences de leurs administrations.