11.6 Upon termination of this Service Agreement by CLIENT without cause or issue from BIS upon fifteen (15) days’ written notice to BIS and CLIENT agree to pay upon which term of payment is already passed (Service/Jobs/Tasks for each term of payment is completed which each of Service/Jobs/Tasks for each term of payment need to be agreed to by CLIENT in writing) and BIS shall collect according to term of payment as defined in Exhibit 2.