You appear to be conflating a few things. The 'contractor' timeliness of xx hours is typically stipulated in a contract as an Service Level Agreement (SLA) par

You appear to be conflating a few things. The 'contractor' timeliness of xx hours is typically stipulated in a contract as an Service Level Agreement (SLA) parameter. There are regulatory causes for 'xx' response times as well, outside of a contract. The first part you brought up was willful ignorance[0] which would likely come into play with licensing, insurability, as well as tort and criminal liabilities. [0]: https://en.m.wikipedia.org/wiki/Willful_ignorance https://en.m.wikipedia.org/wiki/Willful_ignorance