16. Is there a limit on the amount a donor can contribute to a political party during an election?

Election Code of the Republic of Azerbaijan, 2003 (as amended 2019).  https://www.msk.gov.az/uploads/qanunvericilik/Election-code_2020.pdf     

There are upper limits for the election funds of candidates, registered candidates, political parties, and blocks of parties (500.000 manats at maximum) during elections to Milli Majlis. Voluntary donations to political parties during the Milli Majlis and municipal elections by citizens and legal entities are limited by the ECode (Art. 156.2.4. and 156.4.3). Voluntary donations to political parties or blocs of political parties with candidates nominated for municipal elections cannot exceed 750 manats (for citizens) or 25,000 manats (for legal entities) during municipality elections (Art. 225.5.3).