Elections in 2027 will now be for borough and district councils and Brighton & Hove City Council.
Dog owners could receive a £100 on-the-spot fine if their dogs enter certain areas of Worthing or Adur.
A councillor says this new rollout will encourage people to waste less in the long term.
Adur District Council says the 13 ponies will graze in Mill Hill near Shoreham during the summer.
Adur District Council has proposed replacing a junction in Lancing with a pocket park.
All seats on the two county councils were contested, with partial elections in four districts.
Sussex candidates from main parties pledge to fix local services ahead of elections on 7 May.
Voters in Shoreham-by-Sea share their biggest issues ahead of polling day.
Dog walkers report being approached by scammers who attempted to fine them up to £1,000.
