Is it permissible to include the customs clearance and licensing office’s commission within the Murabaha contract, so that the Murabaha price becomes (car price + office and licensing commission)?

If the financing entity includes the customs clearance and licensing office commission expenses within the Murabaha contract, discloses this, and the client agrees to it, then there is no harm. This is based on the statement in the Shariah Standards of the Accounting and Auditing Organization for Islamic Financial Institutions (AAOIFI): "The institution must disclose, upon contracting for the sale, the details of the expenses it will include in the price. It may include any expenses related to the commodity if the client agrees to them."