During the presidential campaign, Barack Obama promised that once a bill was passed by Congress, the White House would post it online for five days before he signed it.

“When there’s a bill that ends up on my desk as president, you the public will have five days to look online and find out what’s in it before I sign it, so that you know what your government’s doing,” Mr. Obama said as a candidate, telling voters he would make government more transparent and accountable.

When he took office in January, his team added that in posting nonemergency bills, it would “allow the public to review and comment” before Mr. Obama signed them.

Five months into his administration, Mr. Obama has signed two dozen bills, but he has almost never waited five days. On the recent credit card legislation, which included a controversial measure to allow guns in national parks, he waited just two.