(1) A trust company administering a collective investment fund may charge reasonable expenses incurred in operating the collective investment fund but shall absorb the costs of establishing or reorganizing a collective investment fund.

(2) The trust company may charge a fee for the management of the collective investment fund provided (a) the fee is permitted under applicable law (and complies with fee disclosure requirements, if any) in the state in which the trust company maintains the fund; and (b) the amount of the fee does not exceed an amount commensurate with the value of legitimate services of tangible benefit to the participating fiduciary accounts that would not have been provided to the accounts were they not invested in the fund.

(3)(a) The reasonable expenses incurred in servicing mortgages held by a collective investment fund may be charged against the income account of the fund and paid to servicing agents, including the trust company administering the fund.

(b) A trust company may (but shall not be required to) transfer up to 5 percent of the net income derived by a collective investment fund from mortgages held by such fund during any regular accounting period to a reserve account: Provided, That no such transfers shall be made which would cause the amount in such account to exceed 1 percent of the outstanding principal amount of all mortgages held in the fund. The amount of such reserve account, if established, shall be deducted from the assets of the fund in determining the fair market value of the fund for the purposes of admissions and withdrawals.

(c) At the end of each accounting period, all interest payments which are due but unpaid with respect to mortgages in the fund shall be charged against such reserve account to the extent available and credited to income distributed to participants. In the event of subsequent recovery of such interest payments by the fund, the reserve account shall be credited with the amount so recovered.