13TH FIVE YEAR PLAN of the People’s Republic of China

The development of the socialist market economy is also explicitly referred to at two instances in the 13th FYP, in Part I, which contains the overarching principles and objectives of the 13th FYP, but also in Part XVIII, which covers ‘Socialist Democracy and the Rule of Law’.
Part I, Chapter 1: The Development Environment
We will follow the principles of socialist political economy with Chinese characteristics, release and develop productive forces, continue in the direction of reform to develop the socialist market economy, […]
Part XVIII, Chapter 75, Build a Rule of Law China; Section 1, The Constitution-Centred Socialist Legal System of China
We will safeguard the sanctity and authority of the Constitution and improve our systems for enforcing the Constitution and providing oversight over its enforcement. In improving the legislative system, we will strengthen the Party’s leadership over legislative work, improve the systems and mechanisms under which legislative work is led by people’s congresses that have legislative power, […].We will work faster to see that a complete system of laws and regulations takes shape by speeding up legislation in key areas, working at once to enact, revise, abolish, and interpret laws, and improving laws for the socialist market economy and social governance. (emphasis added)
In the same paragraph, the 13th FYP aims at strengthening the role of the CCP over China’s legislative work, and improving the laws for the socialist market economy.
More details regarding China’s system of plans can be found in Chapter 4.

Property Law of the People’s Republic of China (adopted by NPC on March 16, 2007).
10 Law of the People’s Republic of China on State-Owned Assets in Enterprises (adopted by NPC on October 28, 2008).

Reagrading the EUROPEAN COMMISSION STAFF WORKING DOCUMENT ON SIGNIFICANT DISTORTIONS IN THE ECONOMY OF THE PEOPLE’S REPUBLIC OF CHINA FOR THE PURPOSES OF TRADE DEFENCE. The Whole document you could find here