H-1B visa cap exemption - How does the 6-year rule work?

Question details

I got a H-1B approval in 2020 and stamping was done in 2022, due to personal reasons, I have decided not to travel to the US. My question here is at a later point in my career, will I be eligible for the CAP exemption for the different sponsor, even If I never visited the US using the stamping? Also whether this cap is exempt till 6 years from approval time or forever(but the 6 years clock starts from the time I enter the US)?

 

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FAQ Transcript

The six-year period should be counted from the date your H-1B was approved.