"Instance decision" refers to making a choice or decision based on a specific situation or occurrence at that exact moment. It means deciding something on the spot without considering prior factors or future consequences. Full definition
When in the first instance the decisions made behind the «veil of ignorance» have not resulted in exactly the principles of justice he wants, he changes the conditions behind the veil. (firstthings.com)
For instance their decision to have everyone's state licenses come due for renewal in their birth month. (hinermangroup.com)
Whilst first instance decisions are not binding on other employment tribunals, the announcement should be seen as positive news for both employers and employees. (mooreblatch.com)