Labour motion to ban Truss-style budget meltdowns puts pressure on Tory MPs

Party loyalty would force Conservatives to vote against plan for fiscal responsibility

Read more: I challenge Rishi Sunak: vote with Labour to stop a Truss-style disaster happening again,' writes Rachel Reeves

Labour will force a Commons vote this week aimed at creating new legal safeguards against fiscal disasters such as Liz Truss's catastrophic mini-budget, which sent the financial markets into meltdown and drove up mortgage rates.

The party's plan for a fiscal lock" to protect personal, family and the national finances from reckless politicians will be contained in an amendment to the king's speech that will be voted on by MPs on Tuesday. The manoeuvre will present Conservative backbenchers with a dilemma over whether to back a Labour amendment, or vote against what is a plan designed to embed fiscal responsibility into the budgetary process, and protect it from wild or accidental political misjudgments.