The content of the congratulatory telegram of the Central Executive Committee of the Lao People's Revolutionary Party has a passage:
The Communist Party of Vietnam is the flag that leads the heroic and creative revolutionary cause through setting out correct, wise, and skillful guidelines and leading the fraternal Vietnamese people to make glorious feats in the cause of national salvation, winning great victories, moving towards national liberation, complete reunification of the country in 1975 and continuing to carry out the comprehensive renovation in more than 40 years.
The Lao People's Revolutionary Party and people of Lao ethnic groups warmly congratulate the resounding success of the 14th National Congress of the Communist Party of Vietnam and express their joy and appreciation for the great and comprehensive victories and achievements that the Party, State and people of fraternal Vietnam have achieved over the past time, always considering those achievements as valuable lessons, a strong source of encouragement and motivation for us in implementing the strategic task of protecting and developing the country.
We would like to express our deep gratitude to the Party, State and fraternal Vietnamese people for their valuable, great, effective and timely support and assistance for the Lao revolutionary cause throughout the past time as well as today.
The content of the congratulatory telegram of the Central Executive Committee of the Cambodian People's Party has a passage:
The Cambodian People's Party highly appreciates the great achievements that Vietnam has achieved in maintaining peace and developing the country in all fields, people's lives are constantly improving, especially the economy and Vietnam's role in the region and in the international arena are increasingly enhanced.
The Cambodian People's Party would like to express its pleasure at the continuous development of the traditional friendship and comprehensive cooperation between the two Parties, the two States and the people of the two countries according to the motto of good neighborliness, traditional friendship, comprehensive cooperation, and long-term sustainability; believing that under the wise leadership of the Communist Party of Vietnam led by General Secretary To Lam, the Communist Party of Vietnam will achieve many victories in implementing the Resolution of the 14th Party Congress.
Wishing the Communist Party of Vietnam and Vietnamese leaders success in developing the country "to become a developing country with modern industry, high middle-income by 2030 and a developed, high-income socialist country by 2045".