Probably pay you to check if form needs replacing daily if they require a date on them - you may need some spare forms - cant see a 2 week old declaration being much use if they are dated
And this on way outOn return to the Uk you will need to complete the self isolator form 48 hours before return
[Withdrawn] Travel to England from another country – COVID-19 rules
Check if there are any COVID-19 rules in place for travel to England from abroad.www.gov.uk