This article relies largely or entirely on a single source. (July 2020)
Tapping pines may either be done so as to sustain the life of the tree, or exhaustively in the years before the tree is cut down.
Although almost abandoned during the 20th century, in Spain it has experienced something of a resurgence. Cesefor  is a Spanish non-profit foundation. which promotes forestry in Spain and its industry including Non-Wood Forest Products (NWFP) which in the Mediterranean region includes, resins, as well as cork berries, nuts, and mushrooms, among many others.
Resin is usually collected by causing minor damage to the tree by making a hole far enough into the trunk to puncture the vacuoles, to let sap exit the tree, known as tapping, and then letting the tree repair its damage by filling the wound with resin. This usually takes a few days. Then, excess resin is collected.