It is each owners responsibility to maintain their balcony railings.

Railings must be painted black gloss or semi gloss.

Types of Paint at Local Stores

Self Priming – 1 coat

Primer & Paint – 2 Coats

DIY

If you do it yourself here is some information

Sherwin Williams tips – https://www.sherwin-williams.com/en-us/project-center/paint/how-to-paint-exterior-railing