Any of the following persons may serve on juries in civil and criminal cases but shall be exempt from jury service upon his request:
8. A person who has legal custody of and is necessarily and personally responsible for a child or children 16 years of age or younger requiring continuous care by him during normal court hours, or any mother who is breast-feeding a child;
9. A person who is necessarily and personally responsible for a person having a physical or mental impairment requiring continuous care by him during normal court hours;
11. Any person whose spouse is summoned to serve on the same jury panel;
12. Any person who is the only person performing services for a business, commercial or agricultural enterprise and whose services are so essential to the operations of the business, commercial or agricultural enterprise that such enterprise must close or cease to function if such person is required to perform jury duty;
13. Any person who is the only person performing services for a political subdivision as a firefighter, as defined in § 65.2-102, and whose services are so essential to the operations of the political subdivision that such political subdivision will suffer an undue hardship in carrying out such services if such person is required to perform jury duty;
14. Any person employed by the Office of the Clerk of the House of Delegates, the Office of the Clerk of the Senate, the Division of Legislative Services, and the Division of Legislative Automated Systems; however, this exemption shall apply only to jury service starting (i) during the period beginning 60 days prior to the day any regular session commences and ending 30 days after the day of adjournment of such session and (ii) during the period beginning seven days prior to the day any reconvened or special session commences and ending seven days after the day of adjournment of such session;
15. Any general registrar, member of a local electoral board, or person appointed or employed by either the general registrar or the local electoral board, except officers of election appointed pursuant to Article 5 (§ 24.2-115 et seq.) of Chapter 1 of Title 24.2; however, this exemption shall apply only to jury service starting (i) during the period beginning 90 days prior to any election and continuing through election day, (ii) during the period to ascertain the results of the election and continuing for 10 days after the local electoral board certifies the results of the election under § 24.2-671 or the State Board of Elections certifies the results of the election under § 24.2-679, or (iii) during the period of an election recount or contested election pursuant to Chapter 8 (§ 24.2-800 et seq.) of Title 24.2. Any officer of election shall be exempt from jury service only on election day and during the periods set forth in clauses (ii) and (iii); and
16. Any member of the armed services of the United States or the diplomatic service of the United States appointed under the Foreign Service Act (22 U.S.C. § 3901 et seq.) who will be serving outside of the United States at the time of such jury service.