Section 43(2) of the Consumer Guarantees Act 1993 permits the supplier of goods or services to contract out of the guarantees under the Act where the goods or services (of a kind ordinarily acquired for personal use, etc.) are supplied and acquired in trade, for use in a business, but only if the following safeguards apply: Select one: a.the agreement must be in writing, and all parties to the agreement must be in trade, and all parties to the agreement agree to contract out of the Act, and it is fair and reasonable that the parties are bound by the agreement. b.the agreement must be in writing, and all parties to the agreement must be in trade, and the supplier must agree to contract out of the Act, and it is fair and reasonable that the parties are bound by the agreement. c.the agreement must be in writing, and all parties to the agreement must be in trade, and one party must agree to contract out of the Act, and it is fair and reasonable that the parties are bound by the agreement.