1515. (Sept. 23) Is commissioned by the Priori of Cortona to paint, for 16 gold florins, the arms of Silvio Passerini, Chancellor of Leo X., on the walls of the atrium of the Palazzo Pubblico.
1515-16. Painted the "Deposition," in the church at La Fratta (now Umbertide).
1516. (Feb. 26) Luca, from the rostrum, speaks publicly in the Council on a matter in deliberation.
1516. (May 21) Elected to the Consiglio Generale; but is absent.
1516. Elected to the Priori for the months of November and December.
1517. (Feb. 22) Among the Stimatori del danno.
1517. (April 23) Among the Inspectors of the Property of Santa Margherita.
1517. (July 24) Is elected as ambassador to Rome to present to Cardinal Passerini a gift from the Commune.
1517. (Aug. 26) Elected to the Consiglio Generale.
1517. (Nov. 9) Is excused from the above-mentioned embassy to Rome.
1518. Painted the altar-piece for the Confraternity of San Girolamo of Arezzo.
1520. (Feb. 23) Elected to the Consiglio dei XVIII.
1520. Elected to the Priori for the months of May and June.
1520. (June 7) Gave the design of a wooden candelabra with copper sconces for the altar of the Great Hall of Council, Cortona.
1520. (Aug. 25) Elected to the Consiglio dei XVIII.
1521. (April 23) Elected Prior of the Confraternity of Sant' Antonio.
1521. (April 27) Commissioned to paint a picture for the Hospital of the Misericordia, Cortona.
1521. (May 22) The Priori writes to Cardinal Passerini, legate to Perugia, that he should not send Maestro Pietro Perugino or other painters to whom Luca may have spoken, to value the picture painted by Luca in the Church of Santa Maria del Piève.
1521. (July 7) Commission for the picture for the Convent of S. Trinità in Cortona.
1521. (Aug. 15) Elected to take part in the Commission to examine the new bridge over the Chiana.
1522. (April 23) Prior of the Confraternity of San Marco.
1522. (Aug. 25) Elected one of the Conservatori degli Ordinamente del Comune, and the Provveditori de' luoghi pii.
1522. Elected to the Priori for the months of January and February.
1523. Painted the altar-piece of the Collegiata, Foiano.
1523. (Feb. 21) Elected to the Sindaci del Capitano.
1523. (April 24) Elected one of the Inspectors of the Chapel of Santa Margherita.