The objects of the research are the following :
1. to study the problems and obstacles of the administrative officials' discretion usage affecting the citizen,
2. to know the affected citizen's attitude towards the discretion usage,
3. to kind out the ways of solution of the problems caused by the discretion usage concerning application for approval by the citizen and the infrastructure development.
The study covers the following scopes :
1. only the sampling groups of administrative officials, municipal officers, temporary and permanent workers, executives and councillors, and of the citizen contacting the engineering offices and those living in the municipalities. The primary data were obtained by interview through the questionairs of different points and recorded. The sampling groups also gave their additional opinions. The secondary data were obtained by study and qualitative research of legal documents, as well as working observing and treating the citizen having official contacts and living in the municipalities.
2. only the southern municipalities including Hat Yai, Songkhla, Yala, Nakorn srithammarat and Trang. The studies were made elaborately in the engineering offices of these municipalities.
The research found that in these municipalities the citizen have been mostly affected from discretion usage concerning the three matters applied for approval by the citizen, which are 1. Building construction, 2. Construction and repair of roads, bridges and water drainages, 3. Garbage collecting and cleaning.
In Hat Yai Municipality, the most serious problems are applications for constructions and repairs of road, bridges and water drainages, and for approval for building construction. The most serious problems both for the officials and the citizen are building control and city plan.
In Songkhla Municipality, the problems are applications for constructions and repairs of roads, bridges and water drainages, and for approval for building construction as well as garbage collecting and cleaning by sanitary. The citizen found that the most problem is sanitary engineering while construction control is the most problem for the officials.
In Yala Municipality, the most problem is application for constructions and repairs of roads, bridges and water drainages. Sanitary engineering is the most serious problem for the citizen while building control and city plan for the officials.
In Nakornsrithammarat Municipality, the problems are garbage collection by sanitary and application to municipality for constructions and repairs of roads, bridges, and water drainages. Rubbish or garbage collecting and cleaning here affect the citizen more than in Songkla. The most serious problem for the citizen is public works while construction control for the officials.
In Trang Municipality, the most serious problems are application for constructions and repairs of roads, bridges and water drainages, and for approval for building constructions just as in Hat Yai. Construction control is the most serious problem both for the citizen and the officials.
For discretion usage in infrastructure develobment, the five municipalities have similar problems concerning construction of water drainages, road enlargement and traffic repairs but different in seriousness.