Somo 1DE32 Kitambulisho cha Taasisi ya Kuchukua: umbizo (LLVAR hadi 11n), matumizi katika kupeleka na kitambulisho cha kuchukuaInaelezea umbizo la tarakimu LLVAR la DE32 na jinsi kitambulisho cha wachukuzi kinavyotolewa. Inaelezea kupeleka kwa mwenyeji sahihi wa wachukuzi, usanidi wa wachukuzi wengi, na jinsi DE32 inavyofanya kazi na jedwali maalum za kupeleka mtandao.
LLVAR format and numeric constraintsAcquirer ID assignment and governanceUse of DE32 in network routingMulti-acquirer and aggregator modelsLogging DE32 for settlement mappingSomo 2DE41 Kitambulisho cha Terminali ya Kuchukua Kadi: umbizo (8an), kupeleka terminali na kuingizaInaelezea umbizo la DE41, sheria za upekee, na jinsi terminali zinavyotambulishwa katika wafanyabiashara na maeneo. Inashughulikia kupeleka, kufuatilia, uchambuzi wa udanganyifu, na jinsi kitambulisho cha terminali kinavyofanya kazi na vya tabaka la wafanyabiashara na duka.
8an format and allowed charactersTerminal ID uniqueness strategiesTerminal ID in routing and profilesTerminal ID in fraud and risk rulesTerminal inventory and lifecycle useSomo 3DE2 Nambari ya Akaunti ya Msingi (PAN): jina la uwanja, umbizo (LLVAR hadi 19 tarakimu), na jukumu katika kupeleka/BIN lookupInaelezea muundo wa DE2, sheria za urefu wa PAN, na kuandika LLVAR. Inaelezea anuwai za BIN, maamuzi ya kupeleka, na jinsi PAN inavyoendesha kitambulisho cha scheme, bidhaa, na mchangiaji huku ikizingatia vikwazo vya kufunika na PCI katika rekodi.
LLVAR encoding and PAN length limitsBIN ranges and issuer identificationPAN role in network routing decisionsPAN validation and Luhn check usageMasking PAN in logs and PCI impactsSomo 4DE38 Kitambulisho cha Majibu ya Idhini: umbizo (6an), nambari ya idhini ya benki ya kutoa na matumizi ya ukaguziInaelezea muundo wa DE38, herufi zinazoruhusiwa, na jinsi wachangiaji wanavyozalisha nambari za idhini. Inashughulikia matumizi katika rekodi za mwenyeji, rekodi za wachukuzi, na michakato ya migogoro, pamoja na sheria za uthabiti kati ya ujumbe wa ombi na majibu.
Format 6an and character constraintsIssuer code generation strategiesMapping DE38 across request/responseUse in acquirer and issuer audit logsRole in chargeback and dispute researchSomo 5DE3 Nambari ya Uchakataji: umbizo (6n), sehemu za maana (aina ya shughuli, aina ya akaunti), na jukumu katika kupeleka shughuliInaelezea muundo wa DE3, ikijumuisha aina ya shughuli, na nambari za akaunti za kutoka na kuingia. Inaonyesha jinsi nambari ya uchakataji inavyoendesha kupeleka, mantiki ya ada, na sheria za idhini kwa ununuzi, pesa taslimu, kurudisha, na michakato ya kurekebisha.
6n layout and segment meaningsCommon purchase and cash codesAccount selection and subaccount useRouting and fee rule determinationReversal and adjustment processingSomo 6DE39 Nambari ya Majibu: umbizo (2an), sheria za tafsiri na maadili ya kawaida ya majibuInaelezea umbizo la DE39, maadili ya kawaida ya majibu, na kupanga kwa matokeo ya biashara. Inashughulikia wajibu wa mchangiaji na mtandao, matibabu ya kukataa dhidi ya rejea, na jinsi wachukuzi wanavyotafsiri nambari zisizoeleweka.
2an format and value rangesCommon approval and decline codesSoft declines and retry guidanceIssuer versus network generated codesMapping codes to merchant messagesSomo 7DE37 Nambari ya Rejea ya Kuchukua: umbizo (12an), jukumu katika upatanisho, migogoro, na kufuatiliaInaelezea umbizo la DE37, mantiki ya kuzalisha, na upekee katika muda na mifumo. Inaelezea jinsi RRN inavyounga mkono upatanisho, utafiti wa migogoro, na kufuatilia shughuli zinazohusiana katika mtandao.
12an format and structure optionsRRN generation and uniquenessUse in reconciliation processesRole in chargebacks and disputesCross-network transaction trackingSomo 8DE14 Tarehe ya Mwisho: umbizo (YYMM), uthibitisho wa kadi na vichocheo vya kukataaInashughulikia umbizo la DE14, sheria za uthibitisho, na hundi za mchangiaji wakati wa idhini. Inaelezea jinsi tarehe ya mwisho inavyoshirikiana na hali ya kadi, kurudisha, na jinsi mitandao na wachukuzi wanavyoshughulikia kadi zinazokaribia mwisho.
YYMM format and parsing rulesIssuer validation of expiry dateExpired card decline scenariosNear-expiry and renewal handlingStorage and masking in host logsSomo 9DE4 Kiasi, Shughuli: umbizo (12n), matibabu ya sarafu, na athari za malipoInaelezea umbizo la DE4, upanuzi kwa vitengo vidogo, na upatanisho wa sarafu na DE49. Inaelezea jinsi kiasi cha idhini kinavyoathiri malipo, kukubali kidogo, vidokezo, na tofauti za kusafisha na malipo baadaye.
12n format and minor unit handlingCurrency consistency with DE49Preauthorization and hold amountsPartial approvals and tip handlingImpact on clearing and settlementSomo 10DE22 Mtindo wa Ingizo wa Mahali pa Huduma: umbizo (3n), maadili kwa kadi iliyopo, chip, contactless, iliyoandikwaInashughulikia umbizo la DE22 na kuandika kwa magstripe, chip, contactless, na ingizo la mkono. Inaelezea jinsi mtindo wa ingizo unavyoathiri alama ya hatari, matibabu ya kurudisha, wajibu, na mikakati ya idhini ya mchangiaji kwa njia tofauti.
3n structure and subfield meaningsCard-present versus card-not-presentChip, contactless, and fallback codingManual and key-entered transaction flagsImpact on risk, fraud, and liabilitySomo 11DE7 Tarehe na Muda wa Usafirishaji: umbizo (MMDDhhmmss), jukumu katika kuingiza, muda wa kukatiza, na upatanishoInaelezea umbizo la DE7, mazingatio ya eneo la saa, na usawazishaji na saa za mwenyeji. Inaelezea jukumu lake katika matibabu ya muda wa kukatiza, kugundua nakala, upatanisho, na kulinganisha idhini na rekodi za kusafisha.
MMDDhhmmss format and examplesTime zone and clock sync issuesUse in timeout and retry handlingDuplicate and late message detectionReconciliation and settlement matchingSomo 12DE49 Nambari ya Sarafu ya Shughuli: umbizo (3n, nambari ISO 4217), athari za ubadilishaji sarafu na kupelekaInashughulikia kuandika nambari ya sarafu ISO 4217 la DE49, uhusiano na DE4 na DE51, na jinsi nambari za sarafu zinavyoathiri kupeleka, ubadilishaji wa FX, na usanidi wa wafanyabiashara wa sarafu nyingi katika mtiririko wa idhini.
3n ISO 4217 numeric codesAlignment with DE4 and DE51Multi-currency merchant scenariosFX conversion and DCC decisionsRouting based on currency fieldsSomo 13DE11 Nambari ya Ukaguzi wa Mfuatano wa Mfumo (STAN): umbizo (6n), upekee, uhusiano kati ya ombi/majibuInashughulikia umbizo la nambari la DE11, sheria za kuzalisha, na madirisha ya upekee. Inaelezea jinsi STAN inavyounganisha maombi na majibu, inaunga mkono kufuatiliwa katika mifumo, na inafanya kazi na RRN na funguo za ukaguzi za ndani.
6n format and rollover behaviorSTAN generation at switch or hostUniqueness windows and collisionsCorrelation of request and responseUse in monitoring and incident traces