Administrative Procedure Act Article 72

Service shall be executed at the domicile, residence, business office or business establishment of the person to be served upon; provided that, if the person to be served upon is met at the office of the administrative authority or elsewhere, service may be executed at the place where he is met.Service upon the representative or manager of a government authority, juristic person or unincorporated body shall be executed at the location of such authority or the business office or business establishment [of such person or body]; provided, however, that service may also be carried out at the place where such representative or manager is met or at the place of his domicile or residence wherever necessary.Service may also be executed at the workplace, if any, of the person to be served upon.