Just got the voucher from the latest promo round.
Looks like this one is one-time use
Uber Vouchers have no cash value. One-time use only. Maximum discount of $75 per redemption. To redeem discount, Uber Voucher code above must be applied to Payment section of the Uber App or Uber Eats App prior to requesting the intended trip or order. Uber Voucher valid 3/15/24 through 9/19/2024. Uber Voucher expires 9/19/2024. Uber Voucher is only valid for rides requested/orders placed using applicable Uber App. Taxes, fees, and tips will be covered provided that the value of the Uber Voucher is greater than the total order amount. Offer is non-transferable, subject to change or cancellation. Issues involving redemption and/or use of the Uber Voucher code should be directed to CLEAR at
https://www.clearme.com/support.