Let me elaborate: unless you are in the “start up phase” incurring startup costs , you are not …

… Let me elaborate: unless you are in the “start up phase” incurring startup costs , you are not required to follow section 174. I suspect the confusion is between how we use “startup” colloquially vs how the IRC uses “startup costs”. Once your business is up and running you are “carrying on” business, even if you aren't yet making a profit. You are only required to follow section 174 if you are choosing to classify your expenses as “startup costs” which in my experience would be very odd after the first year and even after the business is founded. Not an accountant of course, but nobody is going to tell me to pay taxes on revenue before expenses. And writing software does not automatically mean you are doing R&D. Not even in spirit. If you’re writing a script that speeds up part of your business and makes you more money, thats not “R&E”. It’s just work. EDIT2: > In the meantime, the Section 174 amendment should not cause established taxpayers to adjust their accounting methods when applying Section 162. …