For credit cards that do charge the fee, it can only be a maximum of $35 and can only be charged up to two billing cycles that your balance remains over the limit. You can avoid paying over-the-limit fees by keeping your credit card balance below the credit limit or opt-out of over-the-limit fees.
Collusion is an agreement between two or more parties, sometimes illegal and therefore secretive, to limit open competition by deceiving, misleading, or defrauding others of their legal rights, or to obtain an objective forbidden by law typically by defrauding or gaining an unfair market advantage.
The active zone is the region in the presynaptic bouton that mediates neurotransmitter release and is composed of the presynaptic membrane and a dense collection of proteins called the cytomatrix at the active zone (CAZ).