My HOA may get an interesting letter next year come Easter.
Last year I got a “violation” letter regarding a decoration being up too long (1’ white cross on side of road) despite being 4 days into the 14 day decoration allowance period.
Actually your HOA may have more power than the Municipal government.
HOA's are not government, but I loathe them. I received a notice this winter from my HOA stating that I had to remove my Christmas lights. Nothing obnoxious about the lights - plain white, non-blinking and limited in number. It just happens I am getting old, have bad knees and I don't do well in snow and ice. Everytime I planned to take them down the weather was a mess. So I just left the lights in place and on their timer.
I received a letter from the HOA at the beginning of March, three days after I took the lights down. I had been out of compliance for six weeks. I guess the HOA's efficiency isn't the greatest. It only took me 15 minutes to write a suitable response and another five minutes to edit non-Christian-like language in my letter to the HOA. I doubt if it did any good, but it allowed me to vent.
If the covenants setting up the HOA allow 14 days, then you should have been able to insist that they treat you even-handedly with respect to the time.
As I recall, the HOA I was involved in disallowed any "signs" except those offering a unit for sale.
One unit owner was compelled to remove pro-socialist signage in his windows. His only recourse was to make sure that other unit owners were not permitted to violate the same restriction.
The CC&Rs typically include language which permits the Board to assess fines for violations and that is how compliance is achieved on behalf of all the other unit owners. Things can get pretty rough on a unit owner that violates the CC&Rs.