Bartering are agreements for the exchange of personal property are subject to the general rules of law applicable to contracts, and particularly to the rules applicable to sales of personal property. Agreements for the exchange of personal property are subject to the general rules of law applicable to contracts, and particularly to the rules applicable to sales of personal property. A binding exchange agreement is formed if an offer to make an exchange is unconditionally accepted before the offer has been revoked. Federal tax aspects of exchanges of personal property should be considered carefully in the preparation of an exchange agreement.