To deduct expenses for business use of the home, you must use part of your home as one of the following:
Exclusively and regularly as your principal place of business for your trade or business;
Exclusively and regularly as a place where you meet and deal with your patients, clients, or customers in the normal course of your trade or business;
A separate structure that's not attached to your home used exclusively and regularly in connection with your trade or business;
On a regular basis for storage of inventory or product samples used in your trade or business of selling products at retail or wholesale;
For rental use; or
As a daycare facility.