Parties
Full legal names and billing entities for buyer and seller.
A standard IO reduces ambiguity by centralizing key commercial terms in a predictable format, speeds review cycles with reusable fields, and creates a clear audit trail for approvals and billing while preserving any governing master agreement.
Final signature authority often rests with a delegated approver aligned to the contract value and the organization’s signature policy.
Full legal names and billing entities for buyer and seller.
Description of services, placements, deliverables, and performance metrics.
Campaign start/end, flight windows, and key milestone deadlines.
Unit rates (CPM/CPA), total budget, payment schedule, and taxes.
Accepted formats, dimensions, ad tags, and submission deadlines.
Designated signers, signature dates, and any countersignature requirements.
| Field | Configuration |
|---|---|
| Authentication | Email link with optional SMS code |
| Templates | Lock reusable IO fields for consistency |
| Bulk Send | Enable for batch countersigning |
| Audit Trail | Capture IP, timestamp, and signer actions |
Ensure the chosen platform can produce a tamper-evident signed PDF and store the audit trail for your retention policy.
Date the final signature is applied; governs start of obligations.
Actual flight start; creatives must be cleared before this date.
Deadline for ads/media to be submitted for QA and trafficking.
Net terms tied to invoice date per payment schedule.
Minimum days required to cancel without penalty, as stated in IO.
| 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 plan | Varies by plan | Varies by plan | Varies by plan |
| Bulk Send | Yes (Business Premium) | Varies by plan | Varies by plan | Varies by plan | Varies by plan |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes (BAA available) | Yes (BAA available) | Varies by plan | Varies by plan | Varies by plan |
| Envelope Cap | No envelope cap | 100 envelopes/user/year | Varies by plan | Varies by plan | Varies by plan |
Their team standardized IOs across clients to reduce approval time by centralizing terms and templates.
They moved leasing and vendor IOs online to avoid in-person signatures and paper delays.