UK: https://www.electoralcommission.org.uk/our-work/publications/forms.
USA: https://www.fec.gov/help-candidates-and-committees/forms/
UK: http://search.electoralcommission.org.uk/?currentPage=0&rows=10&sort=AcceptedDate&order=desc&tab=1&et=pp&et=ppm&et=tp&et=perpar&et=rd&prePoll=false&postPoll=true&optCols=CampaigningName&optCols=AccountingUnitsAsCentralParty&optCols=IsSponsorship&optCols=RegulatedDoneeType&optCols=CompanyRegistrationNumber&optCols=Postcode&optCols=NatureOfDonation&optCols=PurposeOfVisit&optCols=DonationAction&optCols=ReportedDate&optCols=IsReportedPrePoll&optCols=ReportingPeriodName&optCols=IsBequest&optCols=IsAggregation
USA: https://www.fec.gov/data/
Georgia: http://monitoring.sao.ge/en
UK: https://www.electoralcommission.org.uk/i-am-a/party-or-campaigner/guidance-for-political-parties.
USA: https://www.fec.gov/help-candidates-and-committees/