Jury selection is set to begin in the second bribery trial of former New York State Assembly Speaker Sheldon Silver, as prosecutors are expected to present much of the same elements of a case that in 2015 won them a conviction on more than seven counts.

But this time, the pressure will be on the government—which of late has had a mixed record on prosecuting public corruption—to adjust its case to adhere to a new, more stringent standard for instructing juries on what counts as an “official act” under federal bribery statutes.