Send four reports by period: Trial Balance (their favorite), Ledger for detail, Income for the year, Balance sheet. Export via support.

Say this so nothing looks wrong: big items are logged in forms. Small skipped spending is absorbed by monthly balance checks and sits in profit. No suspense account needed: the balance gap is the reconciliation.

Then hand the paper from your invoice folder. The accountant can sort small items into tax buckets. Edits are clean to review: void-and-repost, every line links to its form in History.