When an attachment is returned not served on a principal defendant, whether levied on property or not, further attachments and summonses may be issued until service is obtained on him, if he be a resident of the Commonwealth. If for any cause service cannot be had in the Commonwealth, upon affidavit of that fact, an order of publication shall be made against him.\nCode 1950, § 8-531; 1977, c. 617.
Virginia Legal Code