509.   Transfer of Appropriations
   (a)   The Executive may transfer unencumbered appropriations in the Operating Budget within the same department, agency, or office and within the same fund. On the recommendation of the Executive, the Council may transfer unencumbered appropriations in the Operating Budget between departments, agencies and offices within the same fund.
   (b)   A transfer may not be made between the Operating Budget and Capital Budget appropriations. On the recommendation of the Executive, the Council may transfer appropriations between Capital Projects within the same fund provided the Council neither creates nor abandons any Capital Projects except in accordance with Section 512 of this Charter.
   (c)   Notwithstanding any provisions of this section, the Council may provide by law for inter-fund cash borrowing in the same fiscal year to meet temporary cash requirements. Nothing contained in this section may be construed to prevent reimbursement among funds for services rendered.