EazLink guide
BIR EIS certification vs Permit to Transmit: what is the difference?
Understand the relationship between testing taxpayer-developed middleware and the permission to transmit required sales data.
Updated 2026-09-06 by the EazLink team. Editorial review: EazLink Editorial Team.
Direct answer
The BIR certification portal describes an application for certification of middleware developed by the taxpayer and issuance of the Permit to Transmit required sales data. Certification work demonstrates that the system can meet the technical test. The PTT is the resulting permission associated with transmission. Teams should follow the current portal instructions because required documents and test steps can change.
What to remember
- Certification testing and permission to transmit are related but distinct ideas.
- The taxpayer's actual system and middleware belong in the test scope.
- Evidence should cover successful and failed scenarios.
- Portal instructions and advisories are the current operational source.
Certification and PTT in brief
Treat them as connected stages in one taxpayer project.
| Item | Purpose | Project evidence |
|---|---|---|
| Application | Identifies the taxpayer and system | Registration and system documents |
| Certification test | Checks the technical behavior | Test payloads, responses and results |
| Permit to Transmit | Authorizes the required sales data transmission | Official issuance and production setup |
The BIR portal controls the current sequence and documentary requirements.
Prepare the real system, not a slide deck
Certification concerns a working data path. The test team needs representative invoices, credentials for the approved environment, mapped payloads and repeatable test cases.
Keep production data out of informal testing. Use approved test data and protect private keys, credentials and taxpayer information.
Record every test result
A pass or fail screenshot is not a complete test record. Keep the source transaction, generated payload, submission time, response and correction made before the next attempt.
That history helps the project explain whether a failure came from source data, mapping, authentication or service availability.
What EazLink can support
EazLink can support mapping, validation, test execution, status history and evidence preparation around the taxpayer's certification project.
It cannot promise certification or issue a PTT. Those outcomes belong to the BIR process.
Certification preparation
- Confirm the current portal checklist.
- Freeze the system version under test.
- Prepare representative and exception transactions.
- Keep a result log for every test.
- Separate sandbox credentials from production credentials.
Quick questions
Does EazLink issue the PTT?
No. The BIR issues permissions through its official process. EazLink can support the technical preparation.
Can a generic demo system be certified for every taxpayer?
Do not assume that. The portal describes certification of middleware developed by the taxpayer, so the actual applicant, system and scope matter.
Should the software change during testing?
Control changes carefully. A fixed version and traceable fixes make test results easier to defend.
Continue the preparation
Sources and verification
Check the current BIR rules and portal notices before making a compliance decision.