The phrase "for one's own business purposes" means to act or make a decision in order to advance or benefit one's own personal interests, goals or objectives related to their business. Full definition
A business credit card establishes for the business owner a line of credit that is intended to be used for business purposes only. (smallbusiness.chron.com)
Isn't there an exception for legitimate business purposes that would cover them? (law.stackexchange.com)
Typically, this calculation is determined by the number of miles driven for business purposes only. (hrblock.com)