For purposes of this Schedule, unless the context otherwise indicates—

"exploration"

means the acquisition, processing and analysis of geological and geophysical data or the undertaking of activities in verifying the presence or absence of hydrocarbons (up to and including the appraisal phase) conducted for the purpose of determining whether a reservoir is economically feasible to develop;

[Definition substituted by section 154(1)(a) of the Taxation Laws Amendment Act, 2013 (Act No. 31 of 2013) - effective 1 April 2014]

"gas"

means any subsoil combustible gas, consisting primarily of hydrocarbons, other than hydrocarbons converted from bituminous shales or other stratified deposits of solid hydrocarbons;

[Definition substituted by section 70(1)(a) of the Taxation Laws Amendment Act, 2007 (Act No. 8 of 2007)]

"oil"

means any subsoil combustible liquid consisting primarily of hydrocarbons, other than hydrocarbons converted from bituminous shales or other stratified deposits of solid hydrocarbons;

"oil and gas company"

means any company that—

[Definition substituted by section 154(1)(b) of the Taxation Laws Amendment Act, 2013 (Act No. 31 of 2013), GG 37158, dated 12 December 2013]

"oil and gas income"

means the receipts and accruals derived by an oil and gas company from—

[Definition substituted by section 154(1)(c) of the Taxation Laws Amendment Act, 2013 (Act No. 31 of 2013) - effective 1 April 2014]

"oil and gas right"

means—

[Definition substituted by section 154(1)(d) of the Taxation Laws Amendment Act, 2013 (Act No. 31 of 2013), GG 37158, dated 12 December 2013]

"post-exploration"

means any activity carried out after the completion of the appraisal phase, including—

to the extent that these processes are preliminary to refining.

[Definition substituted by section 154(1)f) of the Taxation Laws Amendment Act, 2013 (Act No. 31 of 2013), GG 37158, dated 12 December 2013]

"refining"

[Definition deleted by section 84(d) of the Taxation Laws  Amendment Act, 2009 (Act No. 17 of 2009)]