An entity that entrusts a provider for technical services and that the method of a percentage to construction expense for service fees shall be adopted, shall determined the rates and range of the construction expense percentage referring to Tables 1 through 4 as attached, according to the subject matter of the construction work, the service items and the degree of difficulty. The entity shall report to the head of the entity or the personnel authorized by the head and obtain his or her prior approval, and specify the rate and percentage in the tender documentation. Where the service items are not included in the attached tables, the costs of the service items are not in the coverage of a percentage to construction expense method. The entity shall list the items separately for suppliers to submit their price offers, or use the estimation results prescribed in Article 25-1 as a reference, and specify the fixed price in the tender documentation.The term “construction expense” referred to in the preceding paragraph means,the government estimate of construction contract approved by the entity or an amount recommended by an evaluation committee. This does not include the fees and costs on governmental permits, planning, designing, supervising, professional construction management fees, adjusting construction expense due to price index, business tax, land and right expenses, legal expenses, project management fees of the procuring entity, insurance, interest on items related to the contracting of the construction work by the contractor and other excluding items prescribed in the contact.Where there is no government estimate or the amount recommended by an evaluation committee for a construction contract, the construction expense referred to The preceding paragraph 1 may be substituted by the budget, but the excluding fees or tax referred to in the The preceding paragraph shall be deducted.In the event where the contract of construction referred to in paragraph 1 is amended, terminated or rescinded, during the performance of the construction contract, the service fees shall be adjusted by negotiation according to the circumstances. The calculation of service fees shall be decided by mutual agreement according to the methods prescribed in the provision of Article 25.Table 1. Percentage of the technical service fees to construction expense of building construction for references.pdfTable 2. Percentage of the technical services fees to construction expense for non-building construction works for references.pdfTable 3. Percentage of the technical services fees to construction expense for professional construction management (excluding supervision of work).pdfTable 4. Percentage of the technical services fees to construction expense for professional construction management (including supervision of work).pdf