| Establishment of urban planning as a means of national policy | C.P. Ordinance(1934): Restriction on the interests of citizens | | |
| Problem of illegal disposal of parks and unauthorized occupation by makeshift dwelling | U.P. Act(1962): Principle of public development | [The Park Bill (1959)] Private Park and Execution of all or part of park by private | |
| A number of private pleasure ground A shortage of compensation finances | L.C.R. Act(1966): Urban development by landowner | [The Park Act (1967∼1980)] Implementation of the park project and installation of the park facilities | Sterility of urban planning theory Installation of non-statutory facilities Damage to urban parks |
| Strengthening of public development Activation of park development Control of park erosion | | [The Urban Park Act (1980∼1993)] Mitigation of standards for facilities | Restoration of a parks Poor performance of project for inducement of private investment |
| Change of national keynote: deregulation Conflict between the public and the individual business by government attribution | U.P. Act(1971): Obligation of government attribution Act on P.P.C.(1994): Land expropriation by private | [The Urban Park Act (1993∼2005)] Mitigation of standards for facilities Exemption of government attribution | Elevation of the rights of landowner Conflict of environmental rights and property rights |