Can a family member or spouse witness a document?
Generally the person you choose to witness a document should have no financial or other interest in an agreement. A neutral third party is the best choice. A neutral third party is someone not related to either party and who does not benefit from the contract. Ideally a witness will observe the relevant party or parties signing the document and then the witness will sign the document as proof that they witnessed the parties signing. The witness is not usually required to know or understand all of the contents of the document.
What Documents Will a Witness Need to See?
If your witness has known you for a year or more, they will not need to do anything to verify your identity. However, if your witness has not known you for a year, they should take steps to verify your identity before witnessing your signature.
To verify your identity, your witness will probably ask you to produce documents, preferably containing a recent photograph, confirming you are who you say you are. You will generally need to show your witness either:
Having a document correctly witnessed is important, both to yourself and the witness. If a witness fails to comply with his or her obligations, he or she may be subject to a fine. If you need any additional information about who can witness your document, or what your obligations are as a witness, please do not hesitate to contact our office.
From LegalVision article, 30 October 2015