If you are a member of a trade union entitled to represent your industrial interests with respect to the work to be performed under the agreement, your union is your negotiator for the agreement, unless you appoint another person to your representative or revoke the status of the union than your representative. A company agreement is an agreement between an employer and his employees, which is covered by the agreement setting the wages and conditions of these workers for a maximum period of 4 years. To enter into force, the agreement must be supported by a majority of staff members who voted to approve the agreement and must be approved by an independent authority, the Fair Work Commission. A company agreement is an agreement between an employer and his employees, which is covered by the agreement setting the wages and conditions of these workers for a maximum period of 4 years.