20. Is there a limit on the amount a candidate can contribute to their own election campaign?

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

The maximum limit of candidates' and registered candidates' election fund assets should not exceed 500 thousand manats during Elections to the Milli Majlis (Art.156.1.)  The maximum limit of the election fund of a presidential candidate may not be more than 10 million manats. (Art. 191.1) Special funds - these special funds for presidential candidates nominated by political parties or blocs of political parties shall be formed from the funds contributed by political parties or blocs of political parties of presidential candidates, under the condition they not be more than 250 thousand manats (art. 191.21.).  Maximum limit of the funds of candidates for municipality membership,  in pursuant to the minimum number signatures for a territory with certain population determined by Art. 215 of the Election Code vary between 5 thousand and 50 thousand manats (Art. 225.2).