A revocable or modifiable document is affixed with a unique identification that is stored in a database with a status indicator. The principal who executed the document may be able to monitor and change the status indicator. A third party who might rely on the document may query the database to ensure the status of the document prior to accepting the document at face value. In some cases, a system may monitor queries made by third parties and enable the principal or their representative to monitor any activities related to the document. Examples of such documents are not limited to but include medical, financial, and other powers of attorney, advanced directives, wills, living wills, trusts, and documents used in secured transactions
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