Each local board shall develop and submit to the Governor a comprehensive four-year local plan in partnership with the appropriate chief local elected official. The local plan shall be consistent with the State Plan. If the local area is part of a planning region, the local board shall comply with Section 3121(c) of Title 29 of the United States Code in the preparation and submission of a regional plan. At the end of the first two-year period of the four-year local plan, each local board shall review the local plan and the local board, in partnership with the chief elected official, shall prepare and submit modifications to the local plan to reflect changes in labor market and economic conditions or in other factors affecting the implementation of the local
plan.