IO Header
Advertiser and agency legal names, billing address, and IO identifier to link invoices and reporting.
A comprehensive IO reduces misunderstandings, speeds campaign activation, and creates an auditable record for billing and reconciliation. It helps align commercial terms, creative deadlines, and measurement expectations between advertiser, agency, and media partner while supporting dispute resolution and regulatory compliance.
Teams across marketing, ad ops, finance, and legal commonly prepare or approve IOs before campaign launch.
Each signer should have delegated authority documented in procurement or account governance records to avoid post-execution disputes.
Advertiser and agency legal names, billing address, and IO identifier to link invoices and reporting.
Each placement listed with unit price, quantity, KPI (impressions, clicks), and measurement method for reconciliation.
Audience parameters and geographic constraints, including any negative targeting or exclusion lists used to define delivery.
Start and end dates with timezone, pacing instructions, and any milestone delivery dates for creative assets.
Payment schedule, invoicing cadence, dispute window, late fee terms, and preferred currency and tax treatment.
Standard terms, indemnities, privacy clauses, and schedules for creative specs, measurement tags, and data use.
| Field | Configuration |
|---|---|
| Approval Order | Sequential or parallel signer routing |
| Authentication | Email link, SMS code, or KBA per sensitivity |
| Notifications | Automated reminders and escalation rules |
| Asset Delivery | Attach creative files and version control policy |
Choose a platform that supports the IO file types, secure delivery, and required authentication strength.
Confirm the selected system retains an auditable trail (timestamps, IPs, action logs) and meets any industry compliance you require before sending IOs.
At least 5 business days prior to flight start for standard buys
Typically 3–5 business days before flight start
Date campaign goes live; confirm timezone
Invoice issued monthly or upon delivery per IO
Change orders accepted typically up to 48–72 hours before flight
| 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 trial | Varies | Varies | Varies | Varies |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
| Envelope Cap | No cap | 100 envelopes/user/yr | Varies | Varies | Varies |