| Accounts Receivable Entry | OLI_ACHENTRYTYPE_ARC | 7 | Single debits based on a check received through U.S. mail or dropbox. | |
| Back Office Conversion | OLI_ACHENTRYTYPE_BOC | 9 | Allows creation of single debits for a point-of-purchase check during back office conversion. | |
| Cash Concentration or Disbursement | OLI_ACHENTRYTYPE_CCD | 5 | Credits or debits where funds are distributed or consolidated between corporations. | |
| Corporate Trade Exchange | OLI_ACHENTRYTYPE_CTX | 6 | Supports transferring of funds, either credits or debits, within a trading partner relationship. | |
| Customer Initiated Entries | OLI_ACHENTRYTYPE_CIE | 11 | Use limited to credit applications where the consumer initiates the transfer of funds to a company for payment of funds owed to that company, typically through some type of home banking product or bill payment service provider. | |
| Death notification entry | OLI_ACHENTRYTYPE_DNE | 12 | Issued by the federal government. | |
| Destroyed check entry | OLI_ACHENTRYTYPE_XCX | 14 | A physical check that was destroyed because of a disaster can be presented as an ACH entry. | |
| International Accounting Transaction | OLI_ACHENTRYTYPE_IAT | 8 | Used for the transmission of International cross-border credit and debit ACH entries. | |
| Internet Initiated Entry | OLI_ACHENTRYTYPE_WEB | 4 | Used for the origination of debit entries (recurring or single) to a consumer's account based on an authorization that is obtained by the Receiver via the internet. | |
| Other | OLI_OTHER | 2147483647 | | |
| Point of Purchase Entry | OLI_ACHENTRYTYPE_POP | 10 | Debit for in-person purchase of goods or services. | |
| Point of sale | OLI_ACHENTRYTYPE_POS | 13 | A debit at an electronic terminal initiated by use of a plastic card. An example is using your debit card to purchase gas. | |
| Prearranged Payments and Deposits | OLI_ACHENTRYTYPE_PDD | 1 | Prearranged payments and deposits, most often on a recurring basis (payroll, bill payments). | |
| Represented Check Entry | OLI_ACHENTRYTYPE_RCK | 2 | Used by originators to represent a check processed through the check collection system and returned due to insufficient or uncollected funds. | |
| Telephone Initiated Entry | OLI_ACHENTRYTYPE_TEL | 3 | Used to originate a Single Entry debit transaction to a consumer's account based on oral authorization obtained from the consumer over the telephone. | |
| Unknown | OLI_UNKNOWN | 0 | | |