biometric letter.

[ghazal_rs]

I applied visitor visa for my parents and my little sister. first, after 1 day I received the biometric letter for my parents but it has been 14 days that my sister's biometric letter has not been sent yet.
is it normal? what should I do to get faster response?

 

[kat3onah]

How young is your sister? Based on https://www.canada.ca/en/immigration-refugees-citizenship/corporate/publications-manuals/operational-bulletins-manuals/identity-management/biometrics/exemptions.html children below 14 years old are not required to submit Biometrics.