state that the price quoted in the tender is firm and non-revisable, or lay down the conditions or formulas for revision of prices during the lifetime of the contract.
a rá go bhfuil an praghas a luaitear sa tairiscint daingean agus nach féidir é a leasú nó na coinníollacha nó foirmlí a leagan síos do leasú ar phraghsanna le linn shaolré an chonartha.