Will my income remain Halal if Qurbānī is not done?

In the Name of Allah, the Most Gracious, the Most Merciful. 

As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh. 

1. For children under 10, the following would be appropriate: 

The Holy Qur'an for Kids - Juz Amma: A Textbook for School Children with English and Arabic Text by Yahiya Emerick  

2. The sin of not fulfilling the wājib qurbānī will not affect the ḥalāl income of a person. The income will remain ḥalāl. 

And Allah Ta’āla Knows Best 

Usaamah Dadipatel 

Student Darul Iftaa 

Eshowe, KZN, South Africa 

Checked and Approved by,
Mufti Ebrahim Desai.