Sixteen other states have requirements.
"Some authors have requirements," Ms. Lawton said.
Also, some states and localities have requirements even when federal law does not.
"Some of these older policies have requirements that most states don't allow today," Ms. Burns said.
"The Stafford Act does have requirements that cause projects to be held up in red tape," Ms. Morgan said.
Instead, avoiding machine inaccuracy best predicted the variability in agreement to "must have" requirements, while achieving human accuracy predicted the variability in agreement to the "won't have" requirements.
Companion animals, particularly dogs and cats, have requirements for essential minerals that need to be supplied in their food1.
Researchers from many different areas have requirements for computational power to solve their specific problems.
Operating mines have requirements for the safety of their workforce and for production continuity.
"The tax credit is about jobs and bringing productions to the city, but look, if we give incentives to a corporation … we frequently have requirements," Burns said.
