Appropriate document to be landed with? (5,4)

I believe the answer is:

title deed

I'm a little stuck... Click here to teach me more about this clue!

'appropriate document' is the definition.
'title deed' can be an answer for 'document' (title deed is a kind of document). I'm not certain of the 'appropriate' bit.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for title deed that I've seen before include "Having proof of ownership" , "Deleted it (anag.)" , "Document establishing legal right to property" , "Document giving legal right of ownership" , "Document proving ownership" .)

I've seen this clue in The Sun and The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.