Entry Period: The entry period for the promotion will run from 12:01 AM (AEST) on 24 December 2019 until 11:59 PM (AEST) on 28 December 2019.
Redemption Period: Once you receive your promo code via email within 24 hours of your Prime sign up, you must redeem your $20 credit on eligible items at any time within the following 14 days.
Additional Terms:
• This $20 credit promotion is applicable on orders of eligible items totaling or exceeding $30. Taxes, shipping and handling, and gift wrap charges do not apply when determining minimum purchase amount.
• This offer and promotional credit only apply to products sold by Amazon AU (look for "ships from and sold by Amazon AU " on the product detail page). Products sold by third-party sellers or other Amazon entities such as through Amazon Global Store will not qualify for this offer, even if "fulfilled by Amazon " or "Prime Eligible." Products sold on Amazon.com will not qualify for this offer.
• This offer does not apply to digital content or Amazon Gift Cards.
• This offer limited to one per customer and account.
• This offer may not be combined with other offers.
• The maximum benefit you may receive from this offer is $20.
• You will receive an e-mail from Amazon.com.au that indicates the dollar amount of the credit, confirms that the credit has been added to your customer account, and provides instructions on how to redeem the promotional credit.
• Amazon reserves the right to seize your first and second born offspring if these terms are violated in any way or form.
Nice find OP..