; and (bb) consistent with this subparagraph, jobs estimated to have been created indirectly through revenues generated from increased exports, improved regional productivity, job creation, and increased domestic capital investment resulting from the program. (II) Job and investment requirements (aa) Relocated jobs In determining compliance with the job creation requirement under subparagraph (A)(ii), the Secretary may include jobs estimated to be created under a methodology whereby jobs are attributable to prospective tenants occupying commercial real estate created or improved by capital investments, but only if the number of such jobs estimated to be created has been determined by an economically and statistically valid methodology and such jobs are not existing jobs that have been relocated. (bb) Publicly available bonds Alien investor capital may not be utilized, by a new commercial enterprise or otherwise, to purchase municipal bonds or any other bonds, if such bonds are available to the general public, either as part of a primary offering or from a secondary market. (cc) Construction activity jobs The length of full-time construction activity jobs that last shorter than 24 months may be aggregated to satisfy the employment creation requirement under subparagraph (A)(ii) for alien investors participating in the program described in this subparagraph. A construction activity job may be considered a job that is created directly. (vi) Amendments The Secretary of Homeland Security shall— (I) require a regional center to give advance notice to, and obtain approval from, the Secretary of significant proposed changes to its organizational structure, ownership, or administration, including the sale of such center or other arrangements in which individuals not previously subject to the requirements under subparagraph (K) become involved with the regional center, before any such proposed changes may take effect unless exigent circumstances are present in which case the regional center shall provide notice to the