Legal Definition of Label: (a) An addition to a written document or clause, such as a codicil. (b) A slip of paper attached to a deed so that a seal may be applied | Discover the legal definition of a label and its crucial role in document authentication. Find out how labels, like codicils and deed labels, authenticate documents and protect against tampering. Learn how labels enhance readability, comprehension, and trust in legal texts. Discover the power of labels in safeguarding the integrity of your documents