Legal basis: In principle, Article 1 of the Operating Rules of Hangzhou Municipality on Implementing Relevant Policies for Adjusting Talents' Settlement shall be handled online. Individuals or units applying for settlement log on to the online business information platform of public employment and talent service institutions in the place where they intend to settle down or where the unit is located, fill in the pre-application information and submit the pre-application materials one by one according to the platform prompts and requirements. The relevant public employment and talent service institutions shall, in principle, feedback the pre-trial results within 3 working days from the date of receiving the pre-application materials. If the application materials meet the requirements, a file transfer letter shall be issued to inform the publicity procedure. Explain the reasons for non-conformity or require the provision of corrective materials. Suspected of violating laws and regulations, can be handed over to the relevant departments for investigation and handling. The management service and vocational skill appraisal departments of professional and technical personnel at all levels in the city are responsible for the pre-examination of professional and technical titles and national vocational qualifications (vocational skill levels). After receiving the relevant materials, the public employment and talent service institutions shall forward them to the local professional and technical personnel management service institutions or vocational skill appraisal departments for pre-examination.