La. Stat. tit. 35 § 9
Every mortgage, sale, lease, transfer, assignment, power of attorney, or other instrument, and every oath or affirmation, made or taken in any foreign country, before any ambassador, minister, charge d'affaires, secretary of legation, consul general, consul, vice-consul, or commercial agent, or before one of the following officers commissioned or accredited to act at the place where the act is made or taken, and having an official seal, to wit: any officer of the United States, any notary public, or any commissioner or other agent of this state having power to take acknowledgements, and every acknowledgement, attestation or authentication of such instruments, oaths or affirmations made by any of these officers under their official seals and signatures, shall have the full force and effect of an authentic act executed in this state; and it shall not be necessary that the officer be assisted by two witnesses, as in the case of a notary executing an authentic act in this state, but the attestation, seal and signature of the officer shall of themselves be sufficient; nor shall it be necessary that the person appearing before the officer to execute any of these instruments, or to take any oath or affirmation, be a resident of the place where the officer is located. Whenever any such original instrument, oath, or affirmation has been deposited in the office of a notary in this state, the notary is authorized to make copies of the same, which shall have the same force and effect as copies of authentic acts executed in this state.
La. R.S. § 35:9