The phrase
"immediate disqualification" means that someone is immediately removed or eliminated from a competition or event because they have broken the rules or failed to meet the required conditions.
Full definition
Any vomiting during this time would result in
an immediate disqualification.
This is
an immediate disqualification, and a dog may even be disabled from competing if he has one or more of these serious flaws: if there is only one crown on the ridge, or more than two.
Once that line is crossed, a judge is subject to
immediate disqualification.
Any spelling or grammar errors will be
an immediate disqualification, as will a generic or «carpet bombed» covering letter.
A weakly written letter with grammatical and sentence errors may be resulted in
an immediate disqualification.