(a) A credit union may, consistent with rules and regulations promulgated by the Secretary, enter into cooperative marketing arrangements to facilitate its members’ voluntary purchase of such goods and services as are in the interest of improving economic and social conditions of the members.
     (b) A credit union may create and use descriptive and brand references to promote and market its identity, services, and products to its members. In the case of a merger pursuant to Section 63, the surviving credit union may identify the merging credit union as a division, branch, unit, or other descriptive reference that ensures the members understand they are dealing with one credit union rather than multiple credit unions, as of the effective date of the merger.