What is the difference between adding the Internal Control (IC) template used in the QuantiFast Pathogen PCR +IC Kit and the QuantiFast Pathogen RT-PCR +IC Kit to the amplification reaction versus adding the IC template at the extraction step?

When the IC is added to the amplification reaction mix, the IC signal confirms that PCR amplification has been successful. When it is added at the extraction step to the lysis buffer or lysate, the IC signal confirms that nucleic acid purification and PCR amplification have been successful.