Sources & Methodology
We publish passport and visa information with a strict editorial process focused on official sources, transparent verification, and rapid corrections.
Our Commitment to Accuracy
Official Sources First
Government and embassy publications are our baseline source standard.
Continuous Monitoring
We monitor policy shifts and update pages when official rules change.
Clear Limits
We highlight uncertainty and recommend direct confirmation before travel.
Where We Get Our Information
Government Immigration Portals
Official immigration department websites and policy pages.
- UK Home Office
- USCIS
- Immigration New Zealand
- Australian Department of Home Affairs
Embassy & Consulate Websites
Country-specific pages with local mission requirements.
- British High Commission websites
- US Embassy and Consulate websites
- Schengen mission and visa information pages
Authorized Visa Centers
Official application service providers used by missions.
- VFS Global
- TLScontact
- BLS International
- CGI Federal
Official Statistics & Reports
Government-published and institution-backed historical datasets.
- Freedom of Information (FOI) releases and responses
- Annual immigration and parliamentary reports
- Quarterly visa statistics publications
- Official destination-country immigration statistics
Our research process
- Gather source material from immigration ministries, official embassy notices, and regulatory publications.
- Cross-check scope, eligibility, and effective dates against primary sources.
- Apply editorial review before publication and timestamp updates where relevant.
What we do and don't for sources
What we do
Practices we actively follow for source quality.
- Use official government and embassy references wherever available
- Document major policy changes and keep update cadence transparent
- Cross-check effective dates, scope, and traveler conditions before publishing
What we don't do
Boundaries of our informational content.
- We do not replace official legal advice or consular determinations
- We do not publish unverified social claims as standalone travel rules
- We do not guarantee eligibility outcomes for any traveler profile
Corrections
If you notice a discrepancy, email accuracy@passportfactory.com with the page URL and relevant official source link. We review reports and update affected pages as quickly as possible.