National Insurance HMRC launches letter-writing campaign to resolve NI records error By Sonia RachWhat's your view?Have your say in the comments section below or email us: ftadviser.newsdesk@ft.comArticle continues after advertPage 2 of 2Previous|Next Related articles National Insurance Govt's online NI top up service 'good news' but could see logjam National Insurance Chancellor’s NI reforms could see workers save £447 this year National Insurance Voluntary NI contributions surge 85% as people boost state pension Long Read Staffing boost not silver bullet for issues facing HMRC Long Read As the government hints at tax rises, should clients be worried? Inheritance Tax Another boost to IHT receipts sparks Budget speculation