Yes, it has been mandatory for almost 40 years to have GFCI protection for outside outlets. This requirement was first found in the 1971 edition of the NEC.
In them days, it was common to have only one GFCI device -- oftentimes a breaker in the main panel -- which fed all the required outlets. They used a single GFCI device due to the high costs associated with them, since wire was cheap.
Nowadays, wire is way more expensive, and the GFCI devices are cheap. Go figure.
Life is uncertain -- eat dessert first!!
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