
He said the plan was made after President-elect Htin Kyaw's proposal on the number of ministers was approved by the Parliament.
"The length of the meeting depends on them," said Win Htein.
NLD representatives met the government's support committee to discuss power transfer for a fifth time this week.
They discussed agendas for the power transfer ceremony, dinner receptions, visits of new cabinet members to their ministries and ministerial residences.
The 18 nominated cabinet ministers includes only six MPs from the NLD, including Aung San Suu Kyi.
On the list are also two members of the Union Solidarity and Development Party, Lower House MP Thein Swe for Am Township and ex-Lower House MP Thura Aung Ko.
Other nominated ministers are Naing Thet Lwin, chairman of the Mon National Party, three military officers and six scholars.
Naing Thet Lwin will reportedly be the minister for ethnic affairs.