"… Your notice is one week and therefore your last day of work on the books is Friday, August 17th. However we do not want or need you to work your notice. Instead and in accordance with our contract terms, insofar as you have accrued but not taken paid holiday you must take the holiday next week and will be paid accordingly…"
"Any right or obligation under paragraphs (1) to (4) may be varied or excluded by a relevant agreement."