send in
US /send ɪn/
UK /send ɪn/

1.
enviar, remitir
to send something to a central place or authority
:
•
Please send in your applications by Friday.
Por favor, envíe sus solicitudes antes del viernes.
•
The company decided to send in a team of experts to investigate the issue.
La empresa decidió enviar un equipo de expertos para investigar el problema.