sparerequest
nounUK /ˌspeəˈrɪˈkwest/
US /ˌsperɪˈkwest/
A spare request is when you ask for an extra one of something.
She sent a spare request to the office for more chairs.
OTHER MEANINGS
2. A request for a replacement part kept in reserve.
The mechanic filed a spare request for a new tire.
3. An ask made in case the first one fails.
He made a spare request for tickets in case the first sold out.
4. A polite appeal for something extra.
The teacher made a spare request for pencils before the test.