US (Colorado) ITIN individual tax identification number application
US (Colorado) · Typically about 7–11 weeks after complete documents are submitted; may be extended during tax filing peak periods, for overseas applications, or if additional documents are required.
- Estimated timeline
- 7-11 weekscounted from receipt of complete documents
- Key deliverable
- ITIN application materials submission record
- Packages
- Standard service
What you provide
- Applicant's original valid passport or an IRS-accepted certified copy
- Completed and signed Form W-7
- US federal tax return or documentation proving an exception applies
- Proof of application reason, US income or tax relationship
- Address and contact details
- Other supplementary materials required by the competent authority.
What you receive
- ITIN application materials submission record
- IRS approval notice and ITIN (upon approval)
- Request for additional documents or rejection notice (if any)
- Follow-up tax filing and number usage notes.
Service details
This service handles the application for a US (Colorado) ITIN individual taxpayer identification number. Actual eligibility conditions, processing standards and competent authority requirements will be confirmed by an advisor based on the application before acceptance.
Est. processing time
It usually takes about 7–11 weeks after documents are complete and formally submitted; tax season peaks, overseas applications or supplementary documents may extend this.
Prices follow the service listing. Where government approval or official review is involved, the outcome rests with the authorities and cannot be guaranteed.