Arhivix | Blog
Making Tax Digital for ITSA 2026: The UK's Mandatory Quarterly Reporting Revolution
April 12, 2026 7 min

Making Tax Digital for ITSA 2026: The UK's Mandatory Quarterly Reporting Revolution

From April 6, 2026, UK self-employed individuals and landlords with income above £50,000 must use MTD software to submit quarterly updates to HMRC, with a first submission due August 7, 2026.

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SEC Rule 17a-4 and WORM Compliance: What Financial Firms Must Know About Document Archives
April 12, 2026 6 min

SEC Rule 17a-4 and WORM Compliance: What Financial Firms Must Know About Document Archives

SEC Rule 17a-4, actively enforced since 2025 following its 2022 amendment, requires WORM storage and third-party cloud attestation, with FINRA levying ~$5 billion in remedies in 2023.

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Grants and Tax Credits for US and UK Digital Transformation: Funding Your Compliance
April 12, 2026 5 min

Grants and Tax Credits for US and UK Digital Transformation: Funding Your Compliance

UK businesses can access Made Smarter grants up to £20,000 and DTFF funding at 70%, while US businesses benefit from the R&D Tax Credit under Section 41 and SBIR/STTR programmes.

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US Document Retention Compliance in 2026: HIPAA, FINRA, and SEC Requirements
April 9, 2026 7 min

US Document Retention Compliance in 2026: HIPAA, FINRA, and SEC Requirements

Navigate the complex landscape of US document retention laws in 2026, from updated HIPAA penalties to SEC and FINRA recordkeeping mandates.

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Federal Grants and Programs for Digital Transformation in 2026: What US Businesses Should Know
April 9, 2026 6 min

Federal Grants and Programs for Digital Transformation in 2026: What US Businesses Should Know

Explore federal funding opportunities including the Technology Modernization Fund and UK DTFF grants available to businesses modernizing their document management.

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The US-UK E-Invoicing Roadmap: What to Prepare for Between 2026 and 2029
April 9, 2026 5 min

The US-UK E-Invoicing Roadmap: What to Prepare for Between 2026 and 2029

From UK Making Tax Digital in 2026 to mandatory B2B e-invoicing in 2029, here is the timeline every transatlantic business needs to plan for.

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IRS E-Filing Mandate 2026: What US Businesses Must Know About Document Retention
April 3, 2026 7 min

IRS E-Filing Mandate 2026: What US Businesses Must Know About Document Retention

The IRS now requires e-filing for businesses with 10 or more information returns, with penalties up to $330 per form for non-compliance.

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Making Tax Digital 2026: Your Complete Guide to MTD ITSA Compliance in the UK
April 3, 2026 6 min

Making Tax Digital 2026: Your Complete Guide to MTD ITSA Compliance in the UK

From April 6, 2026, self-employed individuals and landlords earning over GBP 50,000 must comply with Making Tax Digital for Income Tax.

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CMMC 2.0 Compliance: Why Document Management Matters for US Defense Contractors
April 3, 2026 5 min

CMMC 2.0 Compliance: Why Document Management Matters for US Defense Contractors

Defense contractors must meet CMMC 2.0 cybersecurity standards, and proper document management with audit trails is a critical requirement.

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