sentences:  Promoted to "Hauptmann" and assigned to a corps staff, Arz was made Adjutant to "Feldzeugmeister" Baron Schönfelda before returning to the General Staff in 1898, where he was to remain, with a few breaks, until 1908.Promoted next to the rank of Major, then "Oberstleutnant", Arz was attached to the 2nd Corps, then commanded by Archduke Eugen, following his assignment to the General Staff.On 1 May 1902 he was promoted to "Oberst" and appointed to the managing bureau of the General Staff, of which department he was appointed head in May 1903.