Students may sign up for priority enrollment in three IntroSems each quarter in the IntroSems' VCA during quarterly sign-up windows. Outside of these windows, students cannot enter information in the IntroSems' VCA.
| Sign-up window for priority enrollment | 8AM deadline (Pacific Time) | See IntroSem units on study list | Self-enroll in IntroSems that still have Space Available in Axess | |
| Autumn | August 2 - August 27, 2021 | August 27 | September 15 | September 16, 2021 |
| Winter | October 1 - November 1, 2021 | November 1 | November 15 | December 1, 2021 |
| Spring | January 14 - February 14, 2022 | February 14 | February 28 | March 1, 2022 |
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