Agudat Yisrael
He was first elected to the Knesset in 1951 on the Agudat Yisrael list. He was re-elected in 1955 as part of the Religious Torah Front list (an alliance of Agudat Yisrael and Poalei Agudat Yisrael). He was re-elected again in 1959, 1961, 1965, 1969, 1973, 1977 and 1981. Between 1974 and 1984 he chaired the Finance Committee. Much Israeli paper currency bears his signature.