codicillary

/ˌkɑdəˈsɪləri/
adjective
  1. Relating to or having the nature of a codicil (an addition or supplement to a will).
    • She added a codicillary note to update her inheritance plans.
    • The codicillary clause was signed and witnessed properly.
    • The lawyer explained the codicillary changes to the will.
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