The act or state of being punctilious; strict attention to detail.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "punctiliousness" in a sentence
"The episode was only typical of Habsburg's savvy and his punctiliousness about his exile."
"But as the financial crisis showed, punctiliousness goes by the wayside when the crunch becomes severe enough."
"Failure to adhere to tax and other legal requirements with sufficient punctiliousness could lead to brutal financial penalties, not to mention high anxiety."