The third type of appropriations bills are supplemental appropriations bills, which add additional funding above and beyond what was originally appropriated at the beginning of the fiscal year. Supplemental appropriations bills can be used for things like disaster relief.
There are three types of appropriations bills. One is a regular appropriations bill, another is a continuing resolution, and the third is a supplemental appropriations bill. Supplemental appropriations bills add extra funding beyond what was initially allocated at the start of the fiscal year. These funds can be used for things like disaster relief.