The local tourism advisory committees established in § 15.2-5505 shall:

1. Promote and assist tourism development in their individual participating localities;

2. Develop and assist in the implementation of a tourism development plan to increase tourism revenue in their respective participating localities;

3. Encourage individuals and businesses and their local governments to invest in tourism development as an integral part of overall economic development; and

4. Assist the Authority in planning and implementing a regional tourism development plan.