diff --git a/59.md b/59.md
index 6abf1cd4..680250b4 100644
--- a/59.md
+++ b/59.md
@@ -99,6 +99,8 @@ AUTH, and refuse to serve wrapped events to non-recipients.
 
 When adding expiration tags to both `seal` and `gift wrap` layers, implementations SHOULD use independent random timestamps for each layer. Using different `created_at` values increases timing variance and helps protect against metadata correlation attacks.
 
+Since signing keys are random, relays SHOULD delete `kind 1059` events whose p-tag matches the signer of
+[NIP-09](09.md) deletions or [NIP-62](62.md) vanish requests.
 
 ## An Example