As per the announcement, when trading resumes today, it will be...

As per the announcement, when trading resumes today, it will be on an ex entitlement basis.

Here's the relevant page from yesterday's official notice...
29Notes: The timetable (and each reference in this presentation to a date specified in the timetable) is indicative only and Jervois may, at its discretion, vary any of the above dates by lodging a revised timetable with the ASX. All times are Sydney
times. (2) Note that securities acquired by Canadian residents will be subject to a customary 4 months hold period pursuant to applicable Canadian provincial securities laws
EventDate
Announcement of Acquisition and Equity Raising and suspension continuesTuesday, 27 July 2021
Bookbuild for Placement and Institutional Entitlement Offer conductedTuesday, 27 July 2021
Announcement of the completion of Placement and Institutional Entitlement Offer and trading resumes on an ex-entitlement basisWednesday, 28 July 2021
Record Date for Entitlement Offer (7pm AEST)Thursday, 29 July 2021
Information Booklet and Entitlement & Acceptance Form despatched to Eligible Retail ShareholdersTuesday, 3 August 2021
Retail Entitlement Offer opensTuesday, 3 August 2021
Settlement of New Shares to be issued under the Institutional Entitlement Offer + PlacementWednesday, 4 August 2021
Allotment and Quotation of New Shares under the Placement and Institutional Entitlement OfferThursday, 5 August 2021
Closing date for acceptances under Retail Entitlement Offer (5pm AEST)Wednesday, 25 August 2021
Announcement of results of Retail Entitlement Offer and notification of any shortfallMonday, 30 August 2021
Settlement of Retail Entitlement OfferTuesday, 31 August 2021
Allotment and issue of New Shares under the Retail Entitlement OfferWednesday, 1 September 2021
Commencement of trading and holding statements dispatched for Retail Entitlement OfferThursday, 2 September 2021
Key milestones and equity raising timetable
Transaction timetable