The group will join seven others in inking the agreement with the government.
A government official says more groups will sign the pact later.
Only seven of 19 armed ethnic groups agree to sign a final nationwide cease-fire agreement with the government.
He touts the party as the force behind democratic change in the country.
Critics say that Ma Ba Tha should not mix religion with politics in the run-up to the November elections.
Many in affected areas are concerned more with rebuilding their lives than with the coming election, sources say.
Many in rural areas are unaware of coming elections and don't know they can vote, the group says.
Government troops and armed ethnic soldiers have suffered casualties.
Her National League for Democracy says errors on voter lists could hurt the party’s chances of victory.
The sentence is the latest for the pair, who protested a police killing in December.
Ashin Wirathu urges voters to look at policies, not parties, in November general elections.
They say government troops are also committing rights abuses in the region.
Minister hopes land-locked region can enjoy peace dividend from ceasefire after decades of instability.
The parties involved discussed developing a common framework for the talks after the signing of a nationwide peace accord.
The attorneys say former military officers are largely unqualified to become judges.
The democracy icon wants her National League for Democracy to win 100 percent of the vote in the upcoming elections.
A leader of the ruling Union Solidarity and Development Party says it thoroughly checked out its candidates for the 2015 general elections to ensure they met citizenship requirements.