GN 00301: General Evidentiary Standards
TN 40 (05-12)
Procedure for enlisting the help of others
For those in need of help beyond the preparation of forms and letters, take the following action:
- Contact relatives, employers, or others to obtain evidence or to enlist their help in obtaining evidence for the claimant, or go directly to sources of evidence. 
- If the claimant gives written consent for disclosure, you may make such contacts. There is an exception if the contact is with a third party who has (or may have) the needed evidence, see GN 03910.020B.