Hello I am a licensed attorney here to help you with your question, please review my response and do not hesitate to ask for clarification
This is a common situation, since it is not the tax season he may be away,
however if he is a franchisee you should contact the original franchise office and aks for a copy of your return,
also consider ordering a tax transcript so you have your own tax return information from last year.
You can also file a complaint against the accountant by using the form above, form 14157