What is an addition to a legal document called?

Answer 1

An addition to a legal document is called an addendum. An addendum contains changes or additional provisions that the parties have agreed to which were not included in the original document.

An addendum is different from a schedule, appendix or exhibit, which contains additional information or copies of items that either support or are relevant to the matters set out in the legal document.

Answer 2

An addition to a formal document is called an addendum.

Answer 3

An addendum, probably. You might be thinking of a footnote or a chart.

Answer 4

A supplement or an addition to a will is called a Codicil. It may contain an explanation, modification, add to or subtract from a Will, but does not replace a Will.