The Secretary shall, upon request of an Indian tribe or tribal organization and subject to the availability of appropriations, provide technical assistance on a non-reimbursable basis to such Indian tribe or tribal organization to develop a new contract proposal or to provide for the assumption by the Indian tribe or tribal organization of any program, service, function, or activity (or portion thereof) that is contractible under the Act. The Secretary may also make a grant to an Indian tribe or tribal organization for the purpose of obtaining technical assistance, as provided in section 103 of the Act. An Indian tribe or tribal organization may also request reimbursement for pre-award costs for obtaining technical assistance under sections 106(a) (2) and (5) of the Act.