Tequila, like many spirits, does not necessarily expire in the same way that perishable foods do, but it could undergo changes with time that affect its taste and quality. While tequila may be stored for long periods without spoiling, its flavor may evolve and diminish over time due to factors such as oxidation and exposure to light and heat. Generally, unopened bottles of tequila can be stored indefinitely without significant degradation in quality, so long as they're kept in a very good, dark place from sunlight and temperature fluctuations.

However, once a package of tequila is opened, its shelf life may vary depending how it is stored and the conditions it is exposed to. Exposure to oxygen can cause the flavors of tequila to alter as time passes, resulting in a lack of freshness and complexity. Additionally, if a jar of tequila is stored improperly, such as in a warm or humid environment, it may become susceptible to spoilage and degradation.

To prolong the shelf life of an opened bottle of tequila, it is essential to does tequila expire it properly by keeping it tightly sealed and away from heat, light, and oxygen. Some tequila enthusiasts also recommend storing opened bottles in the refrigerator to decrease the oxidation process and preserve the flavor. However, it's important to note that storing tequila in the refrigerator may cause it to become cloudy, but this does not affect its quality or safety.

With regards to taste, tequila may become smoother and more calm with age, particularly when it is aged in oak barrels. However, prolonged experience of oxygen may also cause the flavors of tequila to become dull and flat, ultimately causing a lack of complexity and character. As a result, it is generally recommended to consume opened bottles of tequila within a couple of months to a year for optimal flavor and quality.

Ultimately, while tequila doesn't expire in the original sense, it could undergo changes over time that affect its taste and quality. By storing tequila properly and consuming it inside a reasonable timeframe, you are able to make certain that you enjoy the full flavor and character of the beloved spirit.