La. Stat. tit. 39 § 1230
Local depositing authorities which have the right to deposit public funds and which may have bonds for sale, may, pursuant to an agreement with the purchaser of the bonds, deposit the proceeds of the bonds, until used, in any bank located within or without the state which purchased the bonds or which may be designated by the purchaser of the bonds. The deposit shall be upon such terms and conditions, including security, as may be provided in the agreement; provided that the amount of security required shall at all times be equal to one hundred per cent of the balance on deposit, and the kind of security required shall be the same as that specified in R.S. 39:1221.
The provisions of R.S. 39:1220 shall not apply to any deposit made pursuant to this Section.
La. R.S. § 39:1230