The lion is a symbol for deathless courage, strength, fearlessness, bravery and royalty. Seen as the lord of the land, the lion is compared to the Eagle which is supreme in the air. Lion is one of the favorite symbols of leadership, warriors and emperors.
You must give the exemption certificate to the seller within 90 days after the date of the purchase. Otherwise, both you and the seller could be held liable for the sales tax. Sellers have the right to refuse your exemption certificate, even if it is correct and properly completed.
In the US the Red Cross CPR certificate is valid for about a year while the American Heart Foundation certificate is valid for two years. The first aid certificate is valid for three years. You can always recertify to retain the validity of your certificate.