(b) An agency may not amend, suspend or repeal a rule pursuant to this subdivision if such action would constitute a substantial revision of the rule as adopted. To determine if such action constitutes a substantial revision of the adopted rule, such amendment, suspension or repeal shall be compared with the text of the rule which was filed with the secretary of state pursuant to subdivision one of this section. The provisions of this paragraph shall not apply if such amendment, suspension or repeal only delays the effective date of such rule. 3. The secretary of state shall reject any rule submitted for filing by an agency where the notice of proposed rule making for such rule has expired pursuant to the provisions of section two hundred two of this chapter. 4. If a rule requires a regulated party to develop a written plan or compliance document which must be submitted to or retained for inspection by the agency, the agency is required to, upon request of one or more regulated parties, prepare a model of such a written plan or compliance document to provide guidance as to the content and form of such written plan or compliance document and the minimum elements which such written plan or compliance document should contain. The availability of any such model plan or document shall be communicated to regulated parties through publication in the state register and by any other means which the agency determines to be efficient and effective, and shall be made available to regulated parties and the public within the time frame established for submission of the written plan or compliance documents. Unless otherwise prohibited by law, when an agency has prepared a model plan or document pursuant to this subdivision, it may extend the final date for submitting a written plan or compliance document for an additional period, not to exceed ninety days, if such an extension is deemed necessary to permit regulated parties to use the model plan as guidance in developing their written plans or compliance documents. Whenever a model plan is prepared, the agency shall cause a notice to be published in the state register indicating that it has prepared a model plan and identifying the written plan or compliance document for which the model plan or document has been prepared. Such notice shall also indicate whether the final date for submitting a written plan or compliance document has been extended pursuant to this subdivision, and, if so, shall set forth the new final date for submission.