The part of the sentence "should you opt" is correct and usable in written English.
You can use it when offering advice or making a suggestion. For example, "Should you opt to continue your education, you may be eligible for a grant."
(Should you opt to make a reservation instead, the site allows you to check rates in different currencies).
Students: should you opt for the cheapest accommodation at your university or go for the luxury option?
Should you opt for a pattern (such as initials) that only works in one direction remember to reverse it!
And should you opt to smoke the bird outdoors, the process frees up the kitchen and the oven for the side dishes and desserts.
She wrote: "Should you opt to use real animals - and we hope you do not - please do as the producer of Babe did and "pay them their wages" by making sure that they are retired to an animal sanctuary after the performance, rather than being sent back to farms and ultimately slaughtered.
It contains a provision that "should you opt to have your work restored, you agree that you will not be compensated and that you will release The Times from any claims relating to your work appearing in electronic archives such as Nexis".
That alone should make you opt for this one instead.
They should let you opt in to a "permanent delay" function.
Should you choose to opt-out at any time, you will have the ability to unsubscribe from the mailing list in the footer of any email.
But should you choose an agency, or opt for a personal assistant that you deal with directly?
Of course, there is roast chicken, now available for one ($27) or two ($52), all very succulent and buttery and perfumed with rosemary, though the skin was somewhat flaccid that night, served with a haystack of piping hot, thin French fries (which you should order whatever else you opt for).
