To further standardize management of the iChEM, a series of policies regarding to leave for business, and keep record for leave are setup as the follows:

1. In cases that the iChEM director go on a business trip within one month, the iChEM director will report to the Administration Office (AO) for record; if more than one month, the director will report to the President of the Council in a signed notice, inform of the other directors, and report to the AO for archive.
2. In cases that the iChEM Chief Scientists (CSs) and the General Secretaries of the iChEM Executive Committee go on a business trip within fifteen days, they will report to the iChEM director and the AO for record; if more than fifteen days, they will report to the iChEM director in a signed notice and the AO for archive.
3. In cases that the iChEM Principle Investigators (PIs) go on a business trip within ten days, they will report to the correspondent CSs in a signed notice and the AO for record; if more than ten days, they will ask for permissions from the director in a signed notice upon approval of their CSs and report to the AO for archive.

   In cases that the iChEM Research Associates (RA) go on a business trip within seven days, they may leave upon approval of the PIs; if more than seven days, they will ask for permissions from the CSs upon approval of the PIs.

   The PIs and RAs must provide information of reasons for leave, itinerary, location and other necessary materials when they ask for business leave. The PIs must have interim replacement of themselves during the period of their leaving for business.

4. In cases that the heads of the five offices go on a business trip within ten days, they will report to the General Secretaries of the iChEM Executive Committee in a signed notice and the AO for record; if more than ten days, they will ask for permissions from the director in a signed notice upon approval of the General Secretaries of the iChEM Executive Committee and report to the AO for record.

   In cases that the staff go on a business trip within five days, they may leave upon approval of the PIs; if more than five days, they will ask for permissions from the General Secretaries of the iChEM Executive Committee upon approval of the heads.

   The heads of the five offices and staff must provide information of reasons for leave, itinerary, location and other necessary materials when they ask for business leave. The heads of the offices must have interim replacement of themselves during the period of their leaving for business.

5. Within two days of returning to work after the business leave, the person must go to the AO for cancellation of the business leave, and report the results and situation of the business during the business leave orally or in written form. The related materials should send to AO or related research division for archive.

   In cases that the person has to ask for extension of the business leave and cannot return to work on time, he/she must report and ask for approval of his/her superiors in advance.

6. The above policy is not applicable to the cases of business leave within the member institutions of the iChEM.
7. The business leave in principle must be applied in written form or via office online system. Oral application is fine in emergency.