Ala. Code § 19-4A-5: Investment in Timely Manner; No Obligation to Invest Funds Less Than $1,000.

In the absence of specific instructions in the governing document, the fiduciary shall invest idle funds in each fiduciary account in a timely manner consistent with the technology employed by the fiduciary but not to exceed 10 business days after the receipt of collected funds; provided, however, that there shall be no obligation or requirement to invest idle funds in an amount less than $1,000.00 per each fiduciary account.