(a) In the case of amendments to the declaration, bylaws or plats and plans of any common interest community created before the effective date of this chapter:
(1) If the result accomplished by the amendment was permitted by law prior to this chapter, the amendment may be made either in accordance with that law, in which case that law applies to that amendment, or it may be made under this chapter; and
(2) If the result accomplished by the amendment is permitted by this chapter, and was not permitted by law prior to this chapter, the amendment may be made under this chapter.
(b) An amendment to the declaration, bylaws or plats and plans authorized by this section to be made under this chapter must be adopted in conformity with applicable law and with the procedures and requirements specified by those instruments. If an amendment grants to any person any rights, powers or privileges permitted by this chapter, all correlative obligations, liabilities and restrictions in this chapter also apply to that person.