The deadline for constitutional amendments is Monday the 3rd of April as all proposed changes have to be posted in the agenda 10 days prior to the AGM.
The current constitution can be found here: https://docs.google.com/document/d/1QAERveE2rneRUnpux1Dm5aT_FW8UVbIH-I4mPwVFxYQ/edit?usp=sharing