In area forecasts or inflight advisories, ceilings are denoted by the contraction CIG when used with sky cover symbols as in LWRG TO CIG OVC005, or the contraction AGL after, the forecast cloud height value. When the cloud base is given in height above MSL, it is so indicated by the contraction MSL or ASL following the height value. The heights of clouds tops, freezing level, icing, and turbulence are always given in heights above ASL or MSL
House and Senate bills may have joint sponsorship and carry several members' names. Major legislation is often introduced in both houses in the form of companion (identical) bills, the purpose of which is to speed up the legislative process by encouraging both chambers to consider the measure simultaneously.
One example of the constitutional or nuclear option revolves on the argument that, on the first day of a new Congress, Senate rules, including Rule XXII, the cloture rule, do not yet apply, and thus can be changed by majority vote. Under this argument, debate could be stopped by majority vote as well.