The maximum costs allowed to a party for the pre-election campaign is €533,347.
The official pre-election period started on June 9 and by August 17 Harmony has reported €376,854 in its campaign costs, Greens/Farmers reported €281,996, the New Unity reported €137,205.
For Development/For! party has reported €111,594, the National Alliance reported €59,863, the New Conservative Party reported €18,895.
Other parties have not spent more than €15,000 in their campaigns so far.
Parliamentary elections in Latvia will be held on October 6.