Notice shall be given to the owners of all real property, as shown on the current tax duplicate or duplicates, located in the state and within 200 feet in all directions of the property which is the subject of such hearing and whether located within or without the municipality in which the applicant's land is located. Such notice shall be given by serving a copy thereof on the owner as shown on the said current tax duplicate or his agent in charge of the property or by mailing a copy thereof by certified mail to the property owner at his address shown on the current tax duplicate. A return receipt is not required. Notice to a partnership owner may be made by service upon any partner. Notice to a corporate owner may be made by service upon its president, vice president, secretary or other persons authorized by appointment or by law to accept service on behalf of the corporation, provided that this requirement shall be deemed satisfied by notice to the condominium association, in the case of any unit owner whose unit has a unit above or below it, or horizontal property regime, in the case of any co-owner whose apartment has an apartment above or below it. Notice to a condominium association, horizontal property regime, community trust or homeowners' association because of its ownership of common elements or areas located within 200 feet of the property which is the subject of the hearing may be made in the same manner as to a corporation without further notice to unit owners, co-owners or homeowners on account of such common elements or areas.