; workforce development program The terms workforce development activity and workforce development program have the meanings given the terms in section 3 of the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3102 ). 4. Invest in America competitive grants (a) Grants authorized (1) Planning grants The Secretary may make planning grants to eligible entities to plan projects described in paragraph (2). (2) Implementation grants The Secretary may make implementation grants to eligible entities to implement projects to support local and regional— (A) economic expansion and resilience— (i) by diversifying the commercial and industrial bases of local and regional economies; (ii) by removing barriers to growth; and (iii) by identifying means of encouraging such expansion, carried out in a manner that is increasingly proactive and predictive of future economic shifts, to build local and regional economic resilience; (B) job creation, in new or existing industries; and (C) workforce development and re-employment opportunities, by providing a range of workforce development activities, including occupational training, resulting in recognized postsecondary credentials for high-quality, in-demand jobs. (3) Description of grants (A) Planning grants The planning grants awarded by the Secretary shall be used during a planning phase. During the planning phase, the eligible entities will prepare an Invest in America plan that— (i) when reviewed and approved under subsection (c), will be used during the implementation phase described in subparagraph (B)