been used in Burkina Faso, Russia, Sweden, United States (Minnesota), and Zimbabwe. A variant is to read aloud the choice on each ballot while putting it into its pile, so observers can tally initially, and check by counting the piles. This method has been used in Ghana, Indonesia, and Mozambique. These first two methods do not preserve the original order of the ballots, which can interfere with matching them to tallies or digital images taken earlier. Another approach is for one official to read all the votes on a ballot aloud, to one or more other staff, who tally the counts for each candidate. The reader and talliers read and tally all contests, before going on to the next ballot. A variant is to project the ballots where multiple people can see them to tally. Another approach is for three or more people to look at and tally ballots independently; if a majority agree on their tallies after a certain number of ballots, that result is accepted; otherwise they all re-tally. A variant of all approaches is to scan all the ballots and release a file of the images, so anyone can count them. Parties and citizens can count these images by hand or by software. The file gives them evidence to resolve discrepancies. The fact that different parties and citizens count with independent systems protects against errors from bugs and hacks. A checksum for the file identifies true copies. Election machines which scan ballots typically create such image files automatically, though those images can be hacked or be subject to bugs if the election machine is hacked or has bugs. Independent scanners can also create image files. Copies of ballots are known to be available for release in many parts of the United States. The press obtained copies of many ballots in the 2000 Presidential election in Florida to recount after the Supreme Court halted official recounts. Different methods resulted in different winners. When manual counts happen The tallying may be done at night at the end of the last day of voting, as in Britain, Canada, France, Germany, and Spain, or the next day, or 1–2 weeks later in the US, after provisional ballots have been adjudicated. If counting is not done immediately, or if courts accept challenges which can require re-examination of ballots, the ballots need to be securely stored, which is problematic. Australia federal elections count