Which lawmaking body forms a part of the legislative branch?

Parliament

Explanation:

Legislature is the law making body of the country or the government. It can pass any bill. The other functions of the legislature are establishment of the budgets, investigation of the executive branch, removal or impeachment of the executive and judiciary branch. It also rectifies the treaties. Parliament is the part of legislature system of the government. It comprises of Monarch, House of Commons as well as Senate. The parliament can pass any bill. It is the main legislative body.