EXP？ Has the date expired? Short for date, generally refers to the period of validity, such as EXP? Dating? December? 3 1 2008 refers to the validity period before 65438+February 2008.

Extended data:

Validity period; Effective period

The period of validity of drugs refers to the period during which the quality of drugs can meet the specified requirements under the specified storage conditions. Time required for drug efficacy to lose 65,438+00%. If the validity period is stipulated as 65438+February 2002, it means that the drugs produced in this batch will still be valid before 65438+February 2002.

Credit card validity period

The validity period of a credit card is clearly marked on the front of the credit card. Generally, the validity period of credit cards is under the credit card number. The standard format is that the month comes before and the year comes after. For example, 09/ 1 1 means that your credit card is valid for 20 1 1 September. Most credit cards issued by domestic banks are valid for three years.

References:

Baidu Encyclopedia-Validity Period