4th Legislature of the Third Portuguese Republic

• On 16 November 1985, MP Gonçalo Ribeiro Telles, elected in the Socialist Party lists, left the party and became an Independent, following the agreement he made with the party in order to be elected in the 1985 elections.^[9]

• Also on 16 November 1985, MP Maria Amélia Santos, elected in the United People Alliance lists, became an Independent representing the Ecologist Party "The Greens".^[10]

• On 24 June 1986, MP Rui Oliveira e Costa, elected in the Social Democratic Party lists, became an Independent after leaving the PSD caucus following disagreements with the party regarding policy and the 1986 Presidential election.^[11]

To be elected, a candidate needs to reach a minimum of 126 votes. There were two candidates on the ballot: Incumbent President Fernando Monteiro do Amaral, from the Social Democratic Party, and former President of the Assembly Manuel Tito de Morais, from the Socialist Party. Monteiro do Amaral was easily reelected.

Election of the President of the Assembly of the Republic
1st Ballot →		8 November 1985
Required majority →		126 out of 250
	Fernando Monteiro do Amaral (PPD/PSD)	160 / 250	Y
	Manuel Tito de Morais (PS)	62 / 250	N
	Blank ballots	12 / 250
	Invalid ballots	1 / 250
	Absentees	15 / 250
Sources:[12]

One year later, on 28 October 1986, another ballot was called to elect, again, the President of the Assembly. Only incumbent President Fernando Monteiro do Amaral, from the Social Democratic Party, was on the ballot and he was reelected as President:

Election of the President of the Assembly of the Republic
1st Ballot →		28 October 1986
Required majority →		126 out of 250
	Fernando Monteiro do Amaral (PPD/PSD)	131 / 250	Y
	Against	35 / 250
	Blank ballots	6 / 250
	Invalid ballots	3 / 250
	Abstentions	12 / 250
	Absentees	63 / 250
Sources:[12]