1. A supporter did not confirm their email after signing.

2. The email address entered is invalid.

3. Multiple signatures were submitted from the same device or IP address.

4. The use of VPN's triggered security filters.

5. Change.org system identified activity that did not pass verification checks.

Change.org runs automated validation process to protect the integrity of petitions. These safeguards are specifically designed to prevent fraud bots or artificially manipulation of signature counts. If a signature does not meet validation requirements it may be removed automatically.