I am 'in receipt of' your instructions. [=I have received your instructions]
The form should be completed and returned within 30 days of 'receipt'.
Keep your 'receipt' in case you need to return anything.
(..) I want it. You'll be using a credit card? Cash. I'll get you your receipt. Thank you. Seven... I'm packed and ready to go. Is everything good with you? - Me too. (..)2008 Two Lovers