Part C. Provider Standards. § 4–754.21. Common standards for all providers. § 4–754.21a. Training standards for all providers. § 4–754.22. Additional standards for providers of severe weather shelter. § 4–754.23. Additional standards for providers of low barrier shelter. § 4–754.24. Additional standards for providers of temporary shelter, transitional housing, and permanent housing programs. § 4–754.25. Additional standards for providers of transitional housing. § 4–754.25a. Additional standards for providers of shelter, transitional housing, or permanent housing programs for LGBTQ homeless youth.