Basically you're expected to accept an offer and join the work without having any written proof of appointment and confirmed agreement on your payout. No need to send full Offer Letter.Every company requires proof of your salary breakup. Need help drafting a job offer letter? The following Cooley GO tips will help you prepare simple and effective offer letters that work best for your company's operating style and structure. The following tips will help you prepare simple and effective offer letters that work best for your company's operating style and structure. Employment offers should be written communications to the job candidate. Making a verbal offer is fine, but it should be followed up with something in writing. The email serves as your informal offer letter. Found the perfect candidate to fill the vacancy on your team?