(1) The contract was bid in compliance with the Public Bid Law (R.S. 38:2211 et seq.);

(2) The total purchases on the contract do not exceed two times what was purchased by the political subdivision bidding the contract;

(3) The written consent of the political subdivision which bid the contract is obtained, as well as the contract number, and if applicable, the resolution accepting the contract;

(4) The vendor agrees to the additional purchase; and

(5)The vendor, product, materials, supplies, vehicles, or equipment are identical to those specified in the existing public contract of the other political subdivision, and the price is the same as the original contract price.

The Attorney General has also noted that political subdivisions may piggyback on contracts for materials and supplies under the Local Services Law. R.S. 33:1324, et seq. In order to piggyback a contract for materials and supplies under the Local Service Law, the following conditions shall be met:

(1) The original contract must have been bid in compliance with Louisiana Law;

(2) The original contract must still be active, fresh, or "viable;"

(3) the political subdivision must obtain written consent or approval from the original contracting public entity that bid out the contract, and obtaining confirmation of contract number and if necessary, the council resolution accepting the contract or bid; and

(4) the political subdivision shall confirm that the vendor and the product, services, materials, supplies, or equipment are the same and that the price is the same or lower.

See AG Op. No. 17-0152 and the LLA's Video on Piggybacking