Reference Clause
Clearly identify the primary agreement by title, date, and contract number so readers can confirm the addendum's scope and relationship.
A separate, signed additional document creates a clear record of changes, optional terms, or appended disclosures without reissuing the entire primary agreement. It preserves intent and attribution for the new content.
Common users include contracting parties, procurement teams, legal departments, and third-party vendors who need to record supplemental terms or acknowledgements.
In many workflows, authorized signers or delegated approvers finish and sign the additional document after the primary agreement is executed.
| Field | Configuration |
|---|---|
| Signing Order | Sequential or parallel routing as required |
| Authentication | Email link, SMS code, or advanced verification |
| Required Fields | Mark signature, name, date, and amendment clause |
| Retention | Save signed PDF + audit trail automatically |
Select a solution that preserves an immutable audit trail and stores signed copies in a secured, access-controlled archive.
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting Price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free Trial | 7-day free trial, no credit card | Varies by vendor | Varies by vendor | Varies by vendor | Varies by vendor |
| Bulk Send | Yes (Business Premium) | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes (BAA available) | Yes (BAA available) | Yes (BAA available) | No | No |
| Envelope Cap | No envelope cap | 100 envelopes/user/year limit | Varies by plan | Varies by plan | Varies by plan |
Clearly identify the primary agreement by title, date, and contract number so readers can confirm the addendum's scope and relationship.
List precisely which sections are added, changed, or replaced; use section numbers and exact wording for clarity and enforceability.
Specify the effective date of the addendum to determine when obligations and rights begin, then use MM/DD/YYYY format throughout.
Include language confirming that signers have authority to bind their organizations to avoid later challenges to validity.
If the addendum changes compensation or obligations, state the consideration or reason to support enforceability under contract law.
Confirm whether the addendum amends or supplements the primary agreement and state which document controls in case of conflict.