Section 7: Violations & Penalties

Rule 10-3-1 defines the "basic spot" used to enforce most non-spot fouls, and Rule 10-2-4 provides that when both teams commit offsetting live-ball fouls, the down is replayed — unless the team last gaining possession had not itself fouled before ...

Source: Rule 9, Rule 7, Rule 10, Rule 6

Send this to your friend — argument over.