Section 6B. Each agency shall purchase a copy or copies of the issues of the register which contain regulations or notices of that agency and make at least one copy readily available in a prominent place at each of the agency’s offices for the purpose of public inspection and copying. To assist interested persons dealing with it, each agency having authority to adopt regulations shall prepare and make available for inspection in a prominent place at each of its offices serving the public a list of its regulations and a description of its central and field organization, including the location of persons and places from which the public can secure information, make submittals or requests or obtain decisions. All such lists and descriptions shall be kept current.