The warranty for Nike shoes is typically valid for two years from the date of purchase. This warranty covers any manufacturing defects or issues with the materials used in the shoes. It is important to keep the original receipt or proof of purchase in order to make a warranty claim. Nike may repair or replace the shoes if they are found to be defective within the warranty period. **

Without more context or information about the stamp in question, it is difficult to determine if it is valid. Stamps can become invalid if they are expired, counterfeit, or not properly affixed to the mail. It is important to check the date, authenticity, and condition of the stamp to ensure its validity. **

Viagogo tickets can be valid if they are purchased from a reputable seller and are for a legitimate event. However, there have been instances where Viagogo tickets have been invalid or fraudulent, so it is important to be cautious when buying tickets from this platform. It is recommended to thoroughly research the seller and event before purchasing tickets from Viagogo to ensure their validity. **

Without more information about the specific circumstances of the Ghusl, it is difficult to determine its validity. In general, for Ghusl to be valid in Islam, certain conditions must be met, such as the intention to purify oneself, washing the entire body with water, and ensuring that water reaches all parts of the body. If these conditions were met, then the Ghusl would be considered valid. It is always recommended to consult with a knowledgeable religious authority for specific guidance on matters of purification in Islam. **

Based on the information provided, it appears that the contract may not be valid as it was signed under duress. Duress involves one party using threats or coercion to force the other party to enter into the contract. In this case, the threat of losing the job if the contract was not signed could be considered duress. Contracts signed under duress are typically not considered legally binding. It is advisable to seek legal advice to determine the validity of the contract in this situation. **

Fasting is still considered valid by many individuals and religious groups as a practice for spiritual, physical, or mental benefits. It is observed in various forms by different cultures and religions around the world. Fasting can promote self-discipline, mindfulness, and empathy towards those who are less fortunate. However, the validity of fasting may vary depending on personal beliefs and individual circumstances. **

Without knowing the specifics of the complaint, it is difficult to determine its validity. Validity of a complaint depends on various factors such as the evidence provided, the context of the situation, and the credibility of the source. It is important to thoroughly investigate the complaint and gather all relevant information before making a judgment on its validity. **

Yes, Eventim tickets are valid for entry to events and concerts that they are purchased for. Eventim is a reputable ticketing company that partners with various venues and promoters to sell tickets for a wide range of events. As long as the ticket is purchased through official channels and is not counterfeit, it should be considered valid for entry. It is always recommended to double-check the terms and conditions of the ticket and the event to ensure a smooth entry experience. **