CIVIL ACT
Act No. 471, Feb. 22, 1958
Amended by Act No. 1237, Dec. 29, 1962
Act No. 1250, Dec. 31, 1962
Act No. 1668, Dec. 31, 1964
Act No. 2200, Jun. 18, 1970
Act No. 3051, Dec. 31, 1977
Act No. 3723, Apr. 10, 1984
Act No. 4199, Jan. 13, 1990
PART Ⅰ GENERAL PROVISIONS
CHAPTER Ⅰ COMMON PROVISIONS
Article 1 (Source of Law)
If there is no provision in Acts applicable to certain civil affairs, customary law shall apply to them, and if there is no customary law applicable to them, sound reasoning shall apply to them.
Article 2 (Trust and Good Faith)
(1) The exercise of rights and the performance of duties shall be in accordance with the principle of trust and good faith.