diff --git a/src/com/rjconsultores/ventaboletos/entidad/CustomIdGenerator.java b/src/com/rjconsultores/ventaboletos/entidad/CustomIdGenerator.java
new file mode 100644
index 000000000..a9b41d0d9
--- /dev/null
+++ b/src/com/rjconsultores/ventaboletos/entidad/CustomIdGenerator.java
@@ -0,0 +1,73 @@
+package com.rjconsultores.ventaboletos.entidad;
+
+import java.io.Serializable;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Properties;
+
+import org.apache.commons.lang.StringUtils;
+import org.hibernate.HibernateException;
+import org.hibernate.MappingException;
+import org.hibernate.dialect.Dialect;
+import org.hibernate.engine.SessionImplementor;
+import org.hibernate.id.Configurable;
+import org.hibernate.id.IdentifierGenerator;
+
+import com.rjconsultores.ventaboletos.utilerias.ApplicationProperties;
+
+public class CustomIdGenerator implements IdentifierGenerator, Configurable {
+
+	private String seqName;
+	private Integer tamanho;
+
+	public Serializable generate(SessionImplementor session, Object object)
+			throws HibernateException {
+
+		Connection connection = session.connection();
+		try {
+
+			PreparedStatement ps = connection
+					.prepareStatement("SELECT " + seqName + ".NEXTVAL AS NEXTVAL FROM DUAL");
+
+			ResultSet rs = ps.executeQuery();
+
+			if (rs.next()) {
+				Integer id = rs.getInt("NEXTVAL");
+				String newValue = id.toString();
+				if (ApplicationProperties.getInstance().habilitarCustomSequence()) {
+					newValue = "1" + (StringUtils.leftPad(id.toString(), tamanho, "0"));
+				}
+				return Integer.valueOf(newValue);
+			}
+
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
+	@Override
+	public void configure(org.hibernate.type.Type arg0, Properties arg1, Dialect arg2) throws MappingException {
+		setTamanho(Integer.valueOf(arg1.getProperty("tamanho")));
+		setSeqName(arg1.getProperty("seqName"));
+	}
+
+	public Integer getTamanho() {
+		return tamanho;
+	}
+
+	public void setTamanho(Integer tamanho) {
+		this.tamanho = tamanho;
+	}
+
+	public String getSeqName() {
+		return seqName;
+	}
+
+	public void setSeqName(String seqName) {
+		this.seqName = seqName;
+	}
+
+}
\ No newline at end of file
diff --git a/src/com/rjconsultores/ventaboletos/entidad/FolioPreimpreso.java b/src/com/rjconsultores/ventaboletos/entidad/FolioPreimpreso.java
index 67158d500..43d73390e 100644
--- a/src/com/rjconsultores/ventaboletos/entidad/FolioPreimpreso.java
+++ b/src/com/rjconsultores/ventaboletos/entidad/FolioPreimpreso.java
@@ -16,6 +16,9 @@ import javax.persistence.Table;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
 
+import org.hibernate.annotations.GenericGenerator;
+import org.hibernate.annotations.Parameter;
+
 @Entity
 @SequenceGenerator(name = "FOLIO_PREIMPRESO_SEQ", sequenceName = "FOLIO_PREIMPRESO_SEQ", allocationSize = 1)
 @Table(name = "FOLIO_PREIMPRESO")
@@ -24,6 +27,11 @@ public class FolioPreimpreso implements Serializable {
 	private static final long serialVersionUID = 1L;
 	@Id
 	@Basic(optional = false)
+	@GenericGenerator(name = "FOLIO_PREIMPRESO_SEQ", strategy = "com.rjconsultores.ventaboletos.entidad.CustomIdGenerator" ,
+			parameters = {
+			@Parameter(name="tamanho", value="8"),
+			@Parameter(name="seqName", value="FOLIO_PREIMPRESO_SEQ")
+			} )
 	@GeneratedValue(strategy = GenerationType.AUTO, generator = "FOLIO_PREIMPRESO_SEQ")
 	@Column(name = "FOLIOPREIMPRESO_ID")
 	private Integer foliopreimpresoId;
diff --git a/src/com/rjconsultores/ventaboletos/utilerias/ApplicationProperties.java b/src/com/rjconsultores/ventaboletos/utilerias/ApplicationProperties.java
index deca2381f..e52d320b5 100644
--- a/src/com/rjconsultores/ventaboletos/utilerias/ApplicationProperties.java
+++ b/src/com/rjconsultores/ventaboletos/utilerias/ApplicationProperties.java
@@ -132,4 +132,9 @@ public class ApplicationProperties {
 		return property.equals("1");
 	}
 	
+	public boolean habilitarCustomSequence() {
+		String property = p.getProperty("custom.sequence", "0");
+		return property.equals("1");
+	}
+	
 }