Committees usually require 20 copies of submissions. People are normally given 4-6 weeks to make submissions. You should indicate clearly in your submission whether you wish to appear before the committee in support of your written submission. Submissions are usually publicly released. However, you may apply for any or all of your evidence to be received in private or secret.
Committees normally require reasons before agreeing to such requests.
You should contact the committee staff if you wish to make such an application. Your submission becomes the property of that committee and is confidential until the committee releases it. You should not disclose your submission to anyone else before the committee releases it, as a matter of courtesy. This does not prevent people working together to write a submission. All submissions are circulated to committee members.