The application must include the full name, address, and intended investment amount of at least 1 potential investor. This is a soft commit, and these investors will not be obliged to invest in the round based off of this.
If this is a Crowdfunding platform then the Letter of Engagement must be included.
If this is a Corporate entity (for example a SEIS Fund or Nominee vehicle), the Letter of Engagement must be included.
At SeegLegals we recommend that the intended investment amount from your investor(s) should be 25% of the total amount of Advance Assurance that you're applying for.