: Money is "pushed" from the payer's account to the receiver (e.g., direct deposit paychecks or tax refunds).
If you are looking for a comprehensive overview of as a whole, 1. What is ACH? ACH mayyazip
: Money is "pulled" from the payer's account by the receiver (e.g., automatic monthly utility bill payments). 4. Key Security & Compliance Any paper on ACH should address the regulatory environment: : Money is "pushed" from the payer's account