; and (B) efforts by the Bureau of the Census intended to contribute to enumeration improvement, specifically in connection with— (i) computer modernization and the appropriate use of automation; (ii) address list development; (iii) outreach and promotion efforts at all levels designed to maximize response rates, especially among groups that have historically been undercounted (including measures undertaken in conjunction with local government and community and other groups); (iv) establishment and operation of field offices; and (v) efforts relating to the recruitment, hiring, and training of enumerators. (5) Availability of data and information Any data or other information obtained by the Board under this section shall be made available to any committee or subcommittee of Congress of appropriate jurisdiction upon request of the chair or ranking minority member of such committee or subcommittee. No such committee or subcommittee, or member thereof, shall disclose any information obtained under this paragraph which is submitted to it on a confidential basis unless the full committee determines that the withholding of that information is contrary to the national interest. (6) Use of contractors The Board shall study and submit to Congress, as part of its first report under paragraph (1)(A), its findings and recommendations as to the feasibility and desirability of using postal personnel or private contractors to help carry out the decennial census. (i) Accuracy of census To the extent practicable, members of the Board shall work to promote the most accurate and complete decennial census possible by using their positions to publicize the need for full and timely responses to decennial census questionnaires. (j) Limitation on Board members and staff (1) In general No individual described in paragraph (2) may— (A) be appointed or serve as a member of the Board or as a member of the staff of the Board