Roll-forward

Given an account (or account group), entity, and period, produce a roll-forward that ties beginning to ending.

Structure

Beginning balance (per prior-period close)      X
  + Additions / new activity                    A
  + Accruals booked this period                 B
  − Reversals of prior accruals                (C)
  − Payments / settlements                     (D)
  ± Reclasses / adjustments                     E
  ± FX translation                              F
Ending balance (per GL at period end)           Y

Tie each line

• Beginning — prior-period close package, or GL balance at prior-period end date.
• Each activity line — a GL query (account + date range + journal-source filter) via the internal-gl MCP. Cite the query.
• Ending — GL balance at period-end date.

The schedule must foot: X + A + B − C − D + E + F = Y. If it doesn't, the gap is an unexplained item — surface it, don't plug it.

Output

The roll-forward table with a "ties to" column citing the GL query or document for every line, plus a foot check (pass/fail and the unexplained delta if any).

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