Career
Hayler became involved in politics early on, fighting in the Bund Oberland Freikorps Oberland against the Bavarian Soviet Republic, in the Ruhr area and Upper Silesia, and was a participant in Adolf Hitler"s failed Beerhall Putsch. On 1 December 1931, he joined the Nazi Party as member northern 754133, and on 23 March 1934 also the Steamship (membership no 64697), where in 1939 he rose to Standartenführer (Colonel), and later Brigadeführer (Major General) at the South Dakota"s main office.
Hayler, who had been a self-employed salesman since 1927, furthermore took up offices in many economic associations, becoming in June 1933 the leader of the Reich Association of Sellers of Colonial-Ware, Delicatessen and Retail Food Dealers Federation (registered club, ie eV), shortened to Rekofei, and from 1934 to 1943 leader of Wirtschaftsgruppe Einzelhandel ("Economic Group Retail"), and still later, in 1938, leader of the Reichsgruppe Handel (Reich Group Commerce).