I. Contract of sale
A. Sale as distinguished from other contracts
1. Contract for piece of work (Art. 1467)
2. Agency to Sell (Art. 1466)
B. Contract to sell as distinguished from contract of sale (Art. 1466)
Dignos v. Court of Appeals (G.R. No. L-59266, 29 February 1988, 158 SCRA 375) Rayos v. Court of Appeals (G.R. No. 135528, 14 July 2004, 434 SCRA 365) Clemeno, Jr. v. Lobrega (G.R. No. 137845, 9 September 2004) Pulumbarit, Sr. v. Court of Appeals (G.R. Nos. 153745-46, 14 October 2015, 772 SCRA 244) Luzon Development Bank v. Enriquez (G.R. No. 168646, 12 January 2011) Moldex Realty v. Saberon (G.R. No. 176289, 8 April 2013)
II. Object of sale (Art. 1306)
A. Subject matter must be determinate (Art. 1460)
B. Sale of undivided interest (Art. 1463)
C. Sale of things subject to resolutory condition (Art. 1465)
III. PRICE
A. Effect where price is simulated (Art. 147)
B. Meeting of minds as to price
IV. Formation/perfection of contract of sale (Art. 1475)
A. Option contract (Art. 1479)
Atkins, Kroll & Co. v. Cua Hian Tek (G.R. No. L-9871, 31 January 1958, 102 Phil 948) Sanchez v. Rigos (G.R. No. L-25494, 14 June 1972, 45 SCRA 368) Ang Yu Asuncion v. Court of Appeals (G.R. No. 109125, 2 December 1994) Abalos v. Macatangay (G.R. No. 155043, 30 September 2004) Riviera Filipina Inc. v. Court of Appeals (G.R. No. 117355, 5 April 2002, 380 SCRA 245) Buot v. Court of Appeals (G.R. No. 119679, 18 May 2001, 357 SCRA 846)
B. Earnest money (Art. 1482)
C. Form of Sales (Art. 1483, 1874, 1581, 1403 [2, a, d, e])
V. Parties to a contract of sale (Art. 1327, 1489)
A. Sale between spouses (Art. 1490)
B. Special incapacity of public officers and employees (Art. 1491-92)
VI. Obligations of the seller
A. Transfer of ownership and delivery of the object
1. Constructive or legal delivery (Art. 1498-1501)
2. When obligation to deliver arises (Art. 1524)
3. Other rules on delivery:
(a) Sale of real property by unit of measure or number (Art. 1539-41)
(b) Sale of real estate made for a lump sum (Art. 1542)
(c) Rules in case of double sale (Art. 1544)
Paylago v. Jarabe (G.R. No. L-20046, 27 March 1968, 22 SCRA 1247)
Hanopol v. Pilapil (G.R. No. L-19248, 28 February 1963, 7 SCRA 452) Balatbat v. Court of Appeals (G.R. No. 109410, 28 August 1996) Caram v. Laureta (G.R. No. L-28740, 24 February 1981, 103 SCRA 7) Tañedo v. Court of Appeals (G.R. No. 104482, 22 January 1996) Tanongon v. Samson (G.R. No. 140889, 9 May 2002, 382 SCRA 130)
Dela Merced v. GSIS (G.R. No. 167140, 23 November 2011, 365 SCRA 1)
Carumba v. Court of Appeals (G.R. No. L-27587, 18 February 1970, 31 SCRA 558) Rosaroso v. Soria (G.R. No. 194846, 19 June 2013, 699 SCRA 232) Skunac Corporation v. Sylianteng (G.R. No. 205879, 23 April 2014, 723 SCRA 625) Manigque-Stone v. Cattleya Land, Inc (G.R. No. 195975, 5 September 2016, 802 SCRA 173) Domingo v. Manzano (G.R. No. 201883, 16 November 2016)
1. Express warranty (Art. 1546)
2. Implied warranties (Art. 1547)
(a) warranty on seller’s title; liability in case of eviction (Art. 1548-1559)
(b) warranty against hidden defects of, or encumbrances upon the thing sold; vendor’s responsibility in case of breach (Art. 1560 –1561, 1566)
VII. Rights and obligations of the vendee
1. Rescission in case of sale of movable thing (Art. 1593)
VIII. Actions for breach of contract of sale of goods
A. Recto law (sale of movables on installments) (Art. 1484-86)
IX. Extinguishment of sale (Art. 1600)
1. Conventional redemption (Art. 1601 to 1616)
Catangcatang v. Legayada (G.R. No. L-26295, 14 July 1978, 84 SCRA 51) Villarica v. Court of Appeals (G.R. No. L-19196, 29 November 1968, 26 SCRA 189)
Diamante v. Court of Appeals (G.R. No. L-51824, 7 February 1992, 206 SCRA 52)
Vda. De Urbano v. GSIS (G.R. No. 137904, 19 October 2001, 367 SCRA 672) Legaspi v. Court of Appeals (G.R. No. L-45510, 27 May 1986, 142 SCRA 82) Gregorio v. Vda. De Culig (G.R. No. 180559, 20 January 2016)
a. Equitable mortgage (Art. 1602-06)
2. Legal redemption; concept and instances (Art. 1619-1623)
1. Obligations of the lessor
2. Obligation of outgoing/incoming lessee or lessor (Art. 1683)