Security & Auditing Skills

Contains verified MeF rejection code resolution procedures (R0000-901 through R0000-905-01 with 10-day perfection-period workflows), EFIN application and annual renewal checklists, and Form 8879-CORP e-signature retention rules. C-corp electronic filing, IRS MeF XML schema validation, acknowledgment tracking (A/R/D/P ack types), mandatory e-file threshold (10-return aggregation per T.D. 9972), provider type selection (ERO vs transmitter), advertising standards, and sanction tiers. Consult when e-filing 1120 returns, diagnosing MeF rejection codes, managing EFIN credentials or renewal, preparing Form 8879-CORP for e-signature, determining mandatory e-file applicability, onboarding a firm as an authorized e-file provider, or resolving e-file provider compliance issues.

Contains verified engagement letter templates (AICPA SSTS No. 1, IRC 7216, limitation of liability clauses), client onboarding checklists, and billing/pricing model frameworks with collection escalation procedures. Engagement lifecycle, realization rate formulas, write-down analysis, client profitability metrics, scope change amendments, disengagement letters, welcome packages, year-end planning letters, missing information escalation cadence, and pre-engagement screening criteria. Consult when drafting or customizing an engagement letter, onboarding a new client, evaluating client acceptance or continuance, selecting a pricing model (hourly vs fixed-fee vs value-based vs subscription), setting up billing or invoicing, writing client communications (welcome package, tax organizer, deadline reminders, deliverable cover letters), handling scope changes or fee adjustments, calculating realization rates or client profitability, managing collection escalation for past-due invoices, or executing a formal client disengagement.

Contains verified AJE/RJE/PJE posting workflows (AuditAdjustment and MaterialityThresholds data structures), TrialBalanceRow extraction with debit/credit normal-balance logic, and TaxLineMapping tables for Form 1120 Page 1, Schedule L, M-1, M-2, and Schedule C DRD calculations. Covers trial balance pulls, comparative trial balance with significance flagging, audit adjustment posting to QBO, passed adjustment materiality evaluation, book-tax reconciliation, and QBO-to-1120 account mapping. Consult when extracting QBO data for audit workpapers, posting year-end adjustments, building Schedule M-1 reconciliation, mapping QBO accounts to Form 1120 lines, evaluating passed adjustments against materiality, generating adjustment summary logs, or pulling comparative trial balances for analytical procedures.