In general, a notary public can take the acknowledgment of deeds, powers of attorney, and any other instrument of writing. In most states, a notarial acknowledgment is necessary to entitle instruments to be recorded in the public records. Notaries can also take affidavits and sworn statements.
Only a notary public can sign. Often Lawyers are also Notary Publics as well.
If the signer had to sign in front of a notary, so does the co-signer.
No.
Notary sign
Yes.
only if the notary has no gainful interest in the document they are notarizing.
There is no requirement for an attorney to sign a will. It has to be witnessed and may require a notary.
The function of a Notary is to provide confirmation that a signature is in fact the signature of the person claiming to have signed a document. A Notary cannot sign for anyone in the sense of signing a document instead of someone else.
If the notary forgot to sign, the document is not notarized.
Not unless he is a registered notary public.
It depends on what you're asking. I suspect you mean, "How do you get a document notarized?" If so, you take the document to a Notary Public, sign the document in front of the Notary, and show ID. The Notary will stamp, date, and sign the document. You can usually find a Notary at a local bank. A Notary will normally charge you a small fee.
You stamp it with your little Notary stamp, and then you sign your name under it.