 In that time, the office of a province governor was united with the post of the provincial chairman of a party, he served at the same time as the provincial chairman of Republican People's Party (CHP).His long-lasting office term is attributed to his close relation to İsmet İnönü (1884–1973), prime minister (1923–1924, 1925–1937), president (1938–1950) and leader of the CHP (1938–1972).Tandoğan was a civil servant and politician of the single party era (1923–1945).