diff --git a/app/helpers/assertions_pdf_helper.rb b/app/helpers/assertions_pdf_helper.rb
index 0decf59b..36ee4cdc 100644
--- a/app/helpers/assertions_pdf_helper.rb
+++ b/app/helpers/assertions_pdf_helper.rb
@@ -20,11 +20,10 @@ def replace_placeholders(template, values, records = [])
 
     record_template = template.scan(/<% records.each do \|record\| %>(.*?)<% end %>/m).flatten.first
     unless record_template.nil?
-      record_template = template.scan(/<% records.each do \|record\| %>(.*?)<% end %>/m).flatten.first
       record_text = records.map do |record|
         record_content = record_template.dup
         record.each do |key, value|
-          record_content.gsub!("<%= var('#{key}') %>", value.to_s)
+          record_content.gsub!("<%= record['#{key}'] %>", value.to_s)
         end
         record_content
       end.join("")
diff --git a/db/migrate/20241220124937_add_query_and_assertion_for_external_participant.rb b/db/migrate/20241220124937_add_query_and_assertion_for_external_participant.rb
new file mode 100644
index 00000000..8c969c4f
--- /dev/null
+++ b/db/migrate/20241220124937_add_query_and_assertion_for_external_participant.rb
@@ -0,0 +1,64 @@
+class AddQueryAndAssertionForExternalParticipant < ActiveRecord::Migration[7.0]
+  def up
+    execute <<-SQL
+      INSERT INTO queries (name, sql, description, created_at, updated_at)
+      VALUES (
+        'DECLARAÇÃO - Participante externo em defesa de tese',
+        'SELECT
+          s.name as nome_aluno,
+          l.name as nivel_aluno,
+          e.thesis_defense_date as data,
+          p.name as nome_professor
+        FROM
+          thesis_defense_committee_participations tdcp, enrollments e, students s, professors p, levels l
+        WHERE
+          tdcp.enrollment_id = e.id AND
+          e.student_id = s.id AND
+          tdcp.professor_id = p.id AND
+          e.level_id = l.id AND
+          e.enrollment_number = :matricula_aluno AND
+          p.cpf = :cpf_professor',
+        'Declaração de participante externo em defesa de dissertação.',
+        CURRENT_TIMESTAMP,
+        CURRENT_TIMESTAMP
+      );
+    SQL
+
+    query_id = execute("SELECT last_insert_rowid()").first['last_insert_rowid()']
+
+    execute <<-SQL
+      INSERT INTO query_params (query_id, name, default_value, value_type, created_at, updated_at)
+      VALUES
+        (#{query_id}, 'matricula_aluno', NULL, 'String', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+        (#{query_id}, 'cpf_professor', NULL, 'String', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP);
+    SQL
+
+    execute <<-SQL
+      INSERT INTO assertions (name, query_id, assertion_template, created_at, updated_at)
+      VALUES (
+        'Declaração de participante externo em defesa de tese',
+        #{query_id},
+        'A quem possa interessar, Declaramos que o professor <%= var(''nome_professor'') %> participou da banca de defesa da dissertação de <%= var(''nivel_aluno'') %> de <%= var(''nome_aluno'') %>, no dia <%= var(''data'') %>.',
+        CURRENT_TIMESTAMP,
+        CURRENT_TIMESTAMP
+      );
+    SQL
+  end
+
+  def down
+    execute <<-SQL
+      DELETE FROM assertions
+      WHERE name = 'Declaração de participante externo em defesa de tese';
+    SQL
+
+    execute <<-SQL
+      DELETE FROM query_params
+      WHERE query_id = (SELECT id FROM queries WHERE name = 'DECLARAÇÃO - Participante externo em defesa de tese');
+    SQL
+
+    execute <<-SQL
+      DELETE FROM queries
+      WHERE name = 'DECLARAÇÃO - Participante externo em defesa de tese';
+    SQL
+  end
+end
\ No newline at end of file
diff --git a/db/migrate/20241220144358_add_query_and_assertion_for_examining_board.rb b/db/migrate/20241220144358_add_query_and_assertion_for_examining_board.rb
new file mode 100644
index 00000000..0a363c18
--- /dev/null
+++ b/db/migrate/20241220144358_add_query_and_assertion_for_examining_board.rb
@@ -0,0 +1,69 @@
+class AddQueryAndAssertionForExaminingBoard < ActiveRecord::Migration[7.0]
+  def up
+    execute <<-SQL
+      INSERT INTO queries (name, sql, description, created_at, updated_at)
+      VALUES (
+        'DECLARAÇÃO - Banca examinadora de defesa',
+        'SELECT
+          s.name as nome_aluno,
+          l.name as nivel_aluno,
+          e.thesis_title as titulo_tese,
+          e.thesis_defense_date as data,
+          p.name as nome_professor,
+          i.code as codigo_instituicao
+        FROM
+          thesis_defense_committee_participations tdcp, enrollments e, students s, professors p, levels l, institutions i
+        WHERE
+          tdcp.enrollment_id = e.id AND
+          e.student_id = s.id AND
+          tdcp.professor_id = p.id AND
+          e.level_id = l.id AND
+          i.id = p.institution_id AND
+          e.enrollment_number = :matricula_aluno',
+        'Recupera informações necessárias para a declaração de banca examinadora de defesa de um determinado aluno',
+        CURRENT_TIMESTAMP,
+        CURRENT_TIMESTAMP
+      );
+    SQL
+
+    query_id = execute("SELECT last_insert_rowid()").first['last_insert_rowid()']
+
+    execute <<-SQL
+      INSERT INTO query_params (query_id, name, default_value, value_type, created_at, updated_at)
+      VALUES
+        (#{query_id}, 'matricula_aluno', NULL, 'String', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP);
+    SQL
+
+    execute <<-SQL
+      INSERT INTO assertions (name, query_id, assertion_template, created_at, updated_at)
+      VALUES (
+        'Declaração da ata de defesa',
+        #{query_id},
+        'Declaro, para os devidos fins, que a Banca Examinadora da Defesa de Dissertação de Mestrado intitulada “<%= var(''titulo_tese'') %>”, apresentada pelo aluno <%= var(''nome_aluno'') %>, no dia <%= var(''data'') %>, no no Instituto de Computação da Universidade Federal Fluminense, foi composta pelos seguintes membros:
+
+        <% records.each do |record| %> 
+          - Prof. <%= record[''nome_professor''] %>, <%= record[''codigo_instituicao''] %>
+        <% end %>',
+        CURRENT_TIMESTAMP,
+        CURRENT_TIMESTAMP
+      );
+    SQL
+  end
+
+  def down
+    execute <<-SQL
+      DELETE FROM assertions
+      WHERE name = 'Declaração da ata de defesa';
+    SQL
+
+    execute <<-SQL
+      DELETE FROM query_params
+      WHERE query_id = (SELECT id FROM queries WHERE name = 'DECLARAÇÃO - Banca examinadora de defesa');
+    SQL
+
+    execute <<-SQL
+      DELETE FROM queries
+      WHERE name = 'DECLARAÇÃO - Banca examinadora de defesa';
+    SQL
+  end
+end
\ No newline at end of file
diff --git a/db/migrate/20241220150416_add_query_and_assertion_for_avulso_student.rb b/db/migrate/20241220150416_add_query_and_assertion_for_avulso_student.rb
new file mode 100644
index 00000000..38f37431
--- /dev/null
+++ b/db/migrate/20241220150416_add_query_and_assertion_for_avulso_student.rb
@@ -0,0 +1,80 @@
+class AddQueryAndAssertionForAvulsoStudent < ActiveRecord::Migration[7.0]
+  def up
+    execute <<-SQL
+      INSERT INTO queries (name, sql, description, created_at, updated_at)
+      VALUES (
+        'DECLARAÇÃO - Disciplinas de aluno avulso',
+        'SELECT
+          s.name as nome_aluno,
+          s.cpf as cpf_aluno,
+          c.name as nome_disciplina,
+          c.workload as carga_horaria,
+          cs.year as ano_disciplina,
+          cs.semester as semestre_disciplina,
+          ce.grade as nota,
+          ce.situation as situacao
+        FROM
+          course_classes cs, class_enrollments ce, enrollments e, courses c, students s
+        WHERE
+          cs.id = ce.course_class_id AND
+          ce.enrollment_id = e.id AND
+          c.id = cs.course_id AND
+          e.student_id = s.id AND
+          cs.year = :ano_semestre_busca AND
+          cs.semester = :numero_semestre_busca AND
+          e.enrollment_number = :matricula_aluno',
+        'Recupera as notas das disciplinas que um avulso obteve num determinado ano/semestre.',
+        CURRENT_TIMESTAMP,
+        CURRENT_TIMESTAMP
+      );
+    SQL
+
+    query_id = execute("SELECT last_insert_rowid()").first['last_insert_rowid()']
+
+    execute <<-SQL
+      INSERT INTO query_params (query_id, name, default_value, value_type, created_at, updated_at)
+      VALUES
+        (#{query_id}, 'matricula_aluno', NULL, 'String', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+        (#{query_id}, 'ano_semestre_busca', NULL, 'Integer', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+        (#{query_id}, 'numero_semestre_busca', NULL, 'Integer', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP);
+    SQL
+
+    execute <<-SQL
+      INSERT INTO assertions (name, query_id, assertion_template, created_at, updated_at)
+      VALUES (
+        'Declaração de relatório de disciplinas para aluno avulso',
+        #{query_id},
+        'DECLARAÇÃO
+
+        Declaro, para os devidos fins, que <%= var(''nome_aluno'') %> cursou como Aluno Avulso as seguintes disciplinas do Programa de Pós-Graduação em Computação, nos termos do Art. 15 do Regulamento dos Programas de Pós-Graduação Stricto Sensu da Universidade Federal Fluminense.
+
+        <% records.each do |record| %>
+          <%= record[''counter''] %>. Nome da disciplina: "<%= record[''nome_disciplina''] %>"
+          Carga horaria total: <%= record[''carga_horaria''] %>
+          Período: <%= var(''ano_disciplina'') %>/<%= var(''semestre_disciplina'') %>
+          Nota: <%= record[''nota''] %>
+          Situação final: <%= record[''situacao''] %>
+        <% end %>',
+        CURRENT_TIMESTAMP,
+        CURRENT_TIMESTAMP
+      );
+    SQL
+  end
+
+  def down
+    execute <<-SQL
+      DELETE FROM assertions
+      WHERE name = 'Declaração de relatório de disciplinas para aluno avulso';
+    SQL
+
+    execute <<-SQL
+      DELETE FROM query_params
+      WHERE query_id = (SELECT id FROM queries WHERE name = 'DECLARAÇÃO - Disciplinas de aluno avulso');
+    SQL
+
+    execute <<-SQL
+      DELETE FROM queries
+      WHERE name = 'DECLARAÇÃO - Disciplinas de aluno avulso';
+    SQL
+  end
+end
\ No newline at end of file
diff --git a/db/schema.rb b/db/schema.rb
index f7f2ba91..37165c50 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2024_12_09_223145) do
+ActiveRecord::Schema[7.0].define(version: 2024_12_20_150416) do
   create_table "accomplishments", force: :cascade do |t|
     t.integer "enrollment_id"
     t.integer "phase_id"