Use "thereat" in a sentence

1. An access controller controls access to the sub-vaults and the data stored thereat.

2. The accidental error or omission in giving notice of any regular or special meeting shall not invalidate the business transacted thereat.

3. “Enter ye in at the strait gate: for wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat:

4. No error or omission in giving notice of any annual or general meeting or any adjourned meeting, whether annual or general, of the members of the corporation shall invalidate such meeting or make void any proceedings taken thereat and any member may at any time waive notice of any such meeting and may ratify, approve and confirm any or all proceedings taken or had thereat.