tla

waypipe -c lz4=9 ssh <remotr-IP> env QT_QPA_PLATFORM=wayland-egl <remote-program-path [args]>

This.

From a terminal window: man update-crypto-policies or just search for an explanation in your browser.

Others have provided the answer but if you want to explore system wide crypto policies check out update-crypto-policies

The encryption key is stored in the luks header on the disk and the phrase or key to open the encryption key can be entered at boot or after via the keyboard or from a file (usually a usb drive). So long as the luks header and encrypted data are not damaged and so long as you have the phrase or key that opens the encryption key it should survive the move. Take a dd backup of the disk just in case.

I know this isn’t what you asked but just have the documents sent to you electronically and cut out the middleman while saving some trees! You can also send them electronically if required. Paper is so 1980’s.