Parties publish a platform, and governments leave a public record
A party must publish a platform before it can receive votes — and can now edit one at any time, which was previously impossible after founding. Applied tax changes are a public record showing which government made each one.
A vote is an endorsement of something. A party that has published no platform can no longer receive votes: the ballot says so, with a reason the party itself can fix.
Fixing it is new. A party's platform could only ever be written when the party was founded — there was no way to add or change it afterwards. Its managers can now publish and edit it at any time, and the party becomes votable the moment they do. Votes already cast are untouched.
Governments now leave a record. The Government page can show every tax change that has actually been applied — the old rate, the new rate, the day it landed, and which party's mandate made it. Applied changes are permanent: the record is what a government did, not a number that was overwritten.
Platform text is written by players and shown exactly as written, in every language. It is covered by the same reporting rules as every other thing players write.