Last month the Federal Election Commission issued a rule regulating political activity on the Internet.
And on Thursday, the agency issued a rule saying that it planned to address only the biggest emitters.
The Food and Drug Administration issued a rule in 2009 requiring new warning labels on packages and bottles of acetaminophen and other drugs.
Last August, the N.L.R.B. issued a rule requiring employers to post a notice in the workplace telling employees of their rights.
The Administration, through the Internal Revenue Service, had issued a rule authorizing the payment of subsidies for policies purchased on Healthcare.gov.gov
Late last year, the F.A.A. itself acknowledged the seriousness of the issue when, for the first time, it issued a rule to set flying limits for aging aircraft.
The N.L.R.B. issued a rule requiring employers to post a notice in the workplace telling employees of their rights, prompting angry lawsuits from industry groups.
But the administration issued a rule in late August that specifically excluded the young immigrants from the definition of "lawfully present".
Late last year, China issued a rule that made the sale of stakes in Chinese companies by offshore entities taxable in that country.
Although the Obama rule hasn't been implemented yet because of a court-ordered stay, the Trump administration issued a rule to undo the WOTUS rule.
The government recently issued a rule forbidding families to spend too much money on weddings and other celebrations, a directive she said they were observing.
