Academic Document	Date Listed on Document	Legal Validity for 485 Lodgement	Case Officer Action / Interpretation
Official Completion Letter	Date academic requirements were fully met	100% Valid (Primary Trigger)	The exact calendar date used to start your strict 6-month application countdown.
Official Final Transcript	Date final unit marks were published	Valid Alternative	Accepted if the transcript explicitly notes that all degree requirements are complete.
Confirmation of Enrolment (CoE)	Estimated course end date	Invalid	Disregarded. The CoE is an operational estimate of duration, not proof of actual academic completion.
Physical Degree Testamur	Date of formal conferral or ceremony	Invalid for Timeline Calculation	Disregarded for the countdown. Useful only as secondary proof that the qualification exists.
Ceremony Invitation Letter	Scheduled date of the graduation event	Completely Invalid	Rejected. Proves a seat is reserved at an event, but provides zero legal proof of study completion.

Academic Document	Date Listed on Document	Legal Validity for 485 Lodgement	Case Officer Action / Interpretation
Official Completion Letter	Date academic requirements were fully met	100% Valid (Primary Trigger)	The exact calendar date used to start your strict 6-month application countdown.
Official Final Transcript	Date final unit marks were published	Valid Alternative	Accepted if the transcript explicitly notes that all degree requirements are complete.
Confirmation of Enrolment (CoE)	Estimated course end date	Invalid	Disregarded. The CoE is an operational estimate of duration, not proof of actual academic completion.
Physical Degree Testamur	Date of formal conferral or ceremony	Invalid for Timeline Calculation	Disregarded for the countdown. Useful only as secondary proof that the qualification exists.
Ceremony Invitation Letter	Scheduled date of the graduation event	Completely Invalid	Rejected. Proves a seat is reserved at an event, but provides zero legal proof of study completion.

Academic Document	Date Listed on Document	Legal Validity for 485 Lodgement	Case Officer Action / Interpretation
Official Completion Letter	Date academic requirements were fully met	100% Valid (Primary Trigger)	The exact calendar date used to start your strict 6-month application countdown.
Official Final Transcript	Date final unit marks were published	Valid Alternative	Accepted if the transcript explicitly notes that all degree requirements are complete.
Confirmation of Enrolment (CoE)	Estimated course end date	Invalid	Disregarded. The CoE is an operational estimate of duration, not proof of actual academic completion.
Physical Degree Testamur	Date of formal conferral or ceremony	Invalid for Timeline Calculation	Disregarded for the countdown. Useful only as secondary proof that the qualification exists.
Ceremony Invitation Letter	Scheduled date of the graduation event	Completely Invalid	Rejected. Proves a seat is reserved at an event, but provides zero legal proof of study completion.

Academic Document	Date Listed on Document	Legal Validity for 485 Lodgement	Case Officer Action / Interpretation
Official Completion Letter	Date academic requirements were fully met	100% Valid (Primary Trigger)	The exact calendar date used to start your strict 6-month application countdown.
Official Final Transcript	Date final unit marks were published	Valid Alternative	Accepted if the transcript explicitly notes that all degree requirements are complete.
Confirmation of Enrolment (CoE)	Estimated course end date	Invalid	Disregarded. The CoE is an operational estimate of duration, not proof of actual academic completion.
Physical Degree Testamur	Date of formal conferral or ceremony	Invalid for Timeline Calculation	Disregarded for the countdown. Useful only as secondary proof that the qualification exists.
Ceremony Invitation Letter	Scheduled date of the graduation event	Completely Invalid	Rejected. Proves a seat is reserved at an event, but provides zero legal proof of study completion.