Attached document is the Agreement document that I've received. Operation will be continued in terms of extend Agreement every year. Attached Agreement document probably is the newest version.
Attached are the document I have obtained regarding the Agreement. The Agreement seems to indicate an extension of the operation on a yearly recurring basis. In essence, the attached Agreement is the latest version I think.
The attached document is the document related to the agreement which I obtained. The operation seems to have been continuing by renewing the agreement each year. I assume the attached agreement is the newest version.