No receipt provided for IPhone 18 Pro Max

It is not entirely clear how the order was placed over the phone. Did Apple accept the order without collecting payment at the time of ordering, with payment being made only when you collected the iPhone from the Apple Store? Or was the payment already processed during the telephone order?

When you collected your iPhone 18 Pro Max, did you receive any printed invoice or confirmation of payment?

I would suggest visiting the same Apple Store and asking them to retrieve the transaction and provide you with a copy of the tax invoice. The fact that the order was placed over the phone rather than through your Apple Account does not mean that Apple would not have generated an invoice.

Also, check the following:

1. Email: Check the inbox, spam and junk folders of the email address you may have provided while placing the order.
2. SMS: Check whether Apple sent an SMS to your registered mobile number containing an invoice link or order confirmation.
3. Order details: If you have an order number or reference number from the telephone conversation, carry it when visiting the store.
4. Payment details: Keep your credit card statement handy, including the transaction date, amount and transaction reference, to help the store locate the payment.

A credit card statement establishes that a payment was made, but it is not a substitute for a proper purchase invoice.