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31 changes: 31 additions & 0 deletions docs/tally/TALLY_PROTOCOL_REFERENCE.md
Original file line number Diff line number Diff line change
Expand Up @@ -1821,6 +1821,37 @@ the one it guards — the same trap as comparing `REMOTEID` above, where the fie
carrying Tally's value rather than the client's. Both close with one live read that adds them to
the `FETCH` list and looks at what arrives.

> **Scoped correction, 2026-09-17 — both were read back, and they differ.** The table above
> predates this read. Licensed TallyPrime 7.1 Silver, synthetic `BRIDGE SHAPE LAB`: the §9.8
> verification collection's request, with `EFFECTIVEDATE` and `PARTYLEDGERNAME` appended to its
> `FETCH`, sent once over `20250422..20250423`. The window held six vouchers. Three were written by
> earlier lab runs with narrations of their own (a Contra, a Journal and a Sales voucher). Their
> written values were not recorded here, so they are not tabulated, but each also returned
> `EFFECTIVEDATE` equal to `DATE`. The three Bridge-built vouchers, found by their `[BRIDGE:…]`
> markers, are the rows below. The Receipt and Payment were built by
> `bridge_mcp`, imported from its file and amended from a Bridge-built file; the Payment was last
> re-imported from a copy of that file with only its amount edited. The Contra was built by
> `bridge_mcp` and imported from its file. Every file wrote the `PARTYLEDGERNAME` and
> `EFFECTIVEDATE` shown here:
>
> | voucher | written `DATE` / `EFFECTIVEDATE` | returned `EFFECTIVEDATE` | written `PARTYLEDGERNAME` | returned `PARTYLEDGERNAME` |
> | --- | --- | --- | --- | --- |
> | Receipt | `20250422` / `20250422` | `20250422`, `TYPE="Date"` | the counterparty (`Shape Buyer 5`) | **the bank ledger** (`Bank of Baroda CA`) |
> | Payment | `20250422` / `20250422` | `20250422`, `TYPE="Date"` | the counterparty (`Power Charges`) | **the bank ledger** (`Bank of Baroda CA`) |
> | Contra | `20250423` / `20250423` | `20250423`, `TYPE="Date"` | none written | the debit bank ledger (`HDFC CC`) |
>
> - **`EFFECTIVEDATE` is returned, equal to `DATE`**, on all three types. Comparing it is now
> possible. `verify_import` still does not fetch it, so the limit above still holds for the code.
> - **`PARTYLEDGERNAME` is returned but does not echo what was written.** On these vouchers it held
> a cash or bank ledger that was on the voucher, not the counterparty Bridge wrote. **Do not
> compare it with the written value:** that comparison would refuse every one of these legitimate
> vouchers, which is the `REMOTEID` trap again. Whether a readback can detect a silently dropped
> counterparty is still open. The entries comparison already requires the counterparty's ledger
> among the signed entries.
>
> One read, one company, one release, three Bridge-built vouchers in a six-voucher window. It does not establish
> what a Tally UI edit to either field returns.

### 9.9 Bulk import throughput

**VERIFIED.** One import request may carry many `<VOUCHER>` elements; the counters aggregate.
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2 changes: 1 addition & 1 deletion docs/tally/compatibility/compatibility-matrix.json
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
{
"schema_version": 1,
"bridge_commit_sha": "be1c20cc3fd66fa1ece196505c69f26e555e4b8e",
"compatibility_surface_sha256": "f642e8e85535417377004fe997b0e98a7a6b3fa3d811a1b96bc82b35b9a07839",
"compatibility_surface_sha256": "dc243b693d451540ef0567aa5351216a084917952dc91648943679fab2947915",
"claims": [
{
"claim_id": "erp9-6-6-3-windows-education-xml-one-company",
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4 changes: 2 additions & 2 deletions docs/tally/compatibility/compatibility-surface.json
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@
},
{
"path": "docs/tally/TALLY_PROTOCOL_REFERENCE.md",
"sha256": "d6fceb1a2495390f6f20f93a365f40ec13507320fce6ea458d0639178d991b06"
"sha256": "e0b65e7530f876f351b4a1a970ded87dca5d0a757e53c8a03823add0a5d84874"
},
{
"path": "docs/tally/compatibility/README.md",
Expand Down Expand Up @@ -998,5 +998,5 @@
"sha256": "0ab5bfbe6d81b1e10530744c338fb91efa57fe5a66fb4bc0cfd382495eaf02a4"
}
],
"manifest_sha256": "f642e8e85535417377004fe997b0e98a7a6b3fa3d811a1b96bc82b35b9a07839"
"manifest_sha256": "dc243b693d451540ef0567aa5351216a084917952dc91648943679fab2947915"
}