Reference
Identify the original order number, date, and parties to link the amendment to the base contract.
A written amendment reduces ambiguity, documents mutual consent to changes, and protects both buyer and seller by aligning expectations for delivery, invoicing, and performance measurement under the original contract.
Multiple internal stakeholders should review amendments — procurement, finance, legal, and the campaign owner — before final signatures are collected.
Identify the original order number, date, and parties to link the amendment to the base contract.
List additions, removals, or revisions to ad placements, deliverables, deliverable specs, or targeting parameters.
Specify new start/end dates, insertion schedules, or milestone dates for deliverables and approvals.
State new costs, credits, payment milestones, or prorated billing calculations.
Require named approvers, titles, and internal sign-off workflow for accountability.
Provide signature blocks for authorized representatives with printed name, title, and date fields.
| Field | Configuration |
|---|---|
| Authentication | Email + SMS code or stronger KBA for higher-risk amendments |
| Conditional Fields | Show billing adjustments only when financial terms change |
| Templates | Save standard amendment template with pre-mapped fields |
| Integrations | Auto-update CRM and billing systems after completion |
Confirm the platform meets any regulatory requirements (HIPAA, internal retention policies) and supports secure storage and exports.
Set to the next available insertion window to prevent service gaps.
Allow 2–5 business days for finance and legal review depending on complexity.
Request approval within 48–72 hours to maintain flight schedules.
Adjust invoices for prorated charges in the next billing run.
Store executed amendment immediately after final signature.
Document submitted with reference to original order and reason for change.
Finance and operations sign off on feasibility and cost implications.
Client signs amendment and confirms placement instructions.
Signed document saved in contract repository; systems updated.
A senior officer, authorized account director, or delegated contract manager should sign for the agency. The signatory should be referenced in company delegation-of-authority records to confirm capacity to bind the agency.
An officer, procurement representative, or other person named in the master agreement should sign for the client. Obtain proof of authority if the signer is not listed in the original contract.
| 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 | Varies by vendor | Varies by vendor | Varies by vendor | Varies by vendor |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
An agency needed to shift flight dates due to sports preemption
A client requested audience targeting refinement mid-flight