38 C.F.R. § 75.117
(a) With respect to individuals found under this subpart by the Secretary to be subject to a reasonable risk for the potential misuse of any sensitive personal information, the Secretary will promptly provide written notification by first-class mail to the individual (or the next of kin if the individual is deceased) at the last known address of the individual. The notification may be sent in one or more mailings as information is available and will include the following:
(d) Notwithstanding other provisions in this section, notifications may be delayed upon lawful requests, from other Federal agencies, for the delay of notifications in order to protect data or computer resources from further compromise or to prevent interference with the conduct of an investigation or efforts to recover the data. A lawful request is one made in writing by the entity or VA component responsible for the investigation or data recovery efforts that may be adversely affected by providing notification. Any lawful request for delay in notification must state an estimated date after which the requesting entity believes that notification will not adversely affect the conduct of the investigation or efforts to recover the data. However, any delay should not exacerbate risk or harm to any affected individual(s). Decisions to delay notification should be made by the Secretary.
(Authority: 38 U.S.C. 501, 5724, 5727)