ACH Batch Files

Hello, few questions regarding the Batch ACH file and its requirements. Related doc: https://developers.tabapay.com/docs/overview-of-ach

Input File name
"Input File name: yyyymmdd_ISO_MID_ACHInput_N_v2-5.csv (sent to TabaPay)"
"N=sequence number (1..n) if multiple files per cycle used"

a) What's a cycle? May N count for the file count for the day of yyyymmdd? Starting with 1.
b) What's ISO? Should we leave that as is?
c) What's MID? Should we leave that as is?

Output File name
"Output File name: yyyymmdd_ISO_MID_ACHOutput.csv (received from TabaPay)"

a) Shouldn’t this too include N, otherwise how can we differentiate between multiple sent for the same day?

Processed file
"Processed file: yyyymmdd_ISO_MID_ACHProcessed_A.csv (received from TabaPay)"
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a) What’s the difference between processed and output file?
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Emailing Input File
"Subject: NAME ACH; total debits annd $s, total credits and $s"

a) Is “Name ACH” == "yyyymmdd_ISO_MID_ACHInput_N_v2-5.csv"?
b) Can we have a sample subject line?
c) “annd” has a typo.

ACH Types
"S, N, R"

a) What do these stand for?
b) Which one to use?

Entry Types
"CCD, PPD, Web"
"CCD’s are Corporate Credit or Debit transactions and are used to originate transactions to or from Corporate Accounts only."
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a) Assuming all TabaPay customers are corporations and are apart of all transactions(pull, push), wouldn't CCD always be set?
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"PPD’s are Prearranged Payment or Deposit transactions and are used to originate transactions to Consumer Accounts only."

b) Do you mean "originate transactions FROM Consumer Accounts"?
c) Is this when we're pulling from Consumers?

"WEB is Internet-Initiated/Mobile Entries"

d) What makes an internet-initiated entry an internet-initiated entry?

Entry description

a) Okay to be blank?
IIN
"Individual Identification Number. No commas, no blanks. No symbols: REQUIRED: must be unique over 7 rolling days"

a) This is an ID for the receiver? Or the transaction line?
RTN

a) Routing number, right?
Debit-Credit

a) Pushing ACH == Debit, and vice versa, correct?