There are always unforeseen requirements or some requirements are very loose because there is really no way to know something will work until is tried. If ther

There are always unforeseen requirements or some requirements are very loose because there is really no way to know something will work until is tried. If there were any protocol that requires discussion about every little thing you would never ship nor be productive. So, companies relies on programmer's judgment on what to do when there is no clear resolution or something is not perfectly spelled out.